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Finding the Fourth Proportional to 57,244.53, 85,851.54 and 40,555.29

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Solution

The fourth proportional to 57,244.53, 85,851.54 and 40,555.29 is: 60,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,244.53 : 85,851.54 = 40,555.29 : x
  2. Step 2: Convert to fraction form
    57,244.53/85,851.54 = 40,555.29/x
  3. Step 3: Cross multiply
    57,244.53x = 85,851.54 × 40,555.29
  4. Step 4: Simplify right side
    57,244.53x = 3,481,734,101.65
  5. Step 5: Solve for x
    x = 3,481,734,101.65/57,244.53
  6. Step 6: Final answer
    x = 60,822.13

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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.