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Finding the Fourth Proportional to 45,477.56, 68,221.08 and 17,397.56

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Solution

The fourth proportional to 45,477.56, 68,221.08 and 17,397.56 is: 26,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.56 : 68,221.08 = 17,397.56 : x
  2. Step 2: Convert to fraction form
    45,477.56/68,221.08 = 17,397.56/x
  3. Step 3: Cross multiply
    45,477.56x = 68,221.08 × 17,397.56
  4. Step 4: Simplify right side
    45,477.56x = 1,186,880,332.56
  5. Step 5: Solve for x
    x = 1,186,880,332.56/45,477.56
  6. Step 6: Final answer
    x = 26,098.15

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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.