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Finding the Fourth Proportional to 59,638.40, 89,472.24 and 29,666.78

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Solution

The fourth proportional to 59,638.40, 89,472.24 and 29,666.78 is: 44,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,638.40 : 89,472.24 = 29,666.78 : x
  2. Step 2: Convert to fraction form
    59,638.40/89,472.24 = 29,666.78/x
  3. Step 3: Cross multiply
    59,638.40x = 89,472.24 × 29,666.78
  4. Step 4: Simplify right side
    59,638.40x = 2,654,352,812.83
  5. Step 5: Solve for x
    x = 2,654,352,812.83/59,638.40
  6. Step 6: Final answer
    x = 44,507.45

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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.