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Finding the Fourth Proportional to 17,604,398.80, 26,375,105.40 and 10,864,939.60

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Solution

The fourth proportional to 17,604,398.80, 26,375,105.40 and 10,864,939.60 is: 16,277,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604,398.80 : 26,375,105.40 = 10,864,939.60 : x
  2. Step 2: Convert to fraction form
    17,604,398.80/26,375,105.40 = 10,864,939.60/x
  3. Step 3: Cross multiply
    17,604,398.80x = 26,375,105.40 × 10,864,939.60
  4. Step 4: Simplify right side
    17,604,398.80x = 286,563,927,114,633.81
  5. Step 5: Solve for x
    x = 286,563,927,114,633.81/17,604,398.80
  6. Step 6: Final answer
    x = 16,277,972.93

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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.