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Finding the Fourth Proportional to 54,898.68, 75,760.11 and 29,748.18

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Solution

The fourth proportional to 54,898.68, 75,760.11 and 29,748.18 is: 41,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.68 : 75,760.11 = 29,748.18 : x
  2. Step 2: Convert to fraction form
    54,898.68/75,760.11 = 29,748.18/x
  3. Step 3: Cross multiply
    54,898.68x = 75,760.11 × 29,748.18
  4. Step 4: Simplify right side
    54,898.68x = 2,253,725,389.10
  5. Step 5: Solve for x
    x = 2,253,725,389.10/54,898.68
  6. Step 6: Final answer
    x = 41,052.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.