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Finding the Fourth Proportional to 17,798,964.40, 26,698,446.60 and 14,610,318.40

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Solution

The fourth proportional to 17,798,964.40, 26,698,446.60 and 14,610,318.40 is: 21,915,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798,964.40 : 26,698,446.60 = 14,610,318.40 : x
  2. Step 2: Convert to fraction form
    17,798,964.40/26,698,446.60 = 14,610,318.40/x
  3. Step 3: Cross multiply
    17,798,964.40x = 26,698,446.60 × 14,610,318.40
  4. Step 4: Simplify right side
    17,798,964.40x = 390,072,805,611,397.50
  5. Step 5: Solve for x
    x = 390,072,805,611,397.50/17,798,964.40
  6. Step 6: Final answer
    x = 21,915,477.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.