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Finding the Fourth Proportional to 62,061.87, 85,429.08 and 54,090.25

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Solution

The fourth proportional to 62,061.87, 85,429.08 and 54,090.25 is: 74,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,061.87 : 85,429.08 = 54,090.25 : x
  2. Step 2: Convert to fraction form
    62,061.87/85,429.08 = 54,090.25/x
  3. Step 3: Cross multiply
    62,061.87x = 85,429.08 × 54,090.25
  4. Step 4: Simplify right side
    62,061.87x = 4,620,880,294.47
  5. Step 5: Solve for x
    x = 4,620,880,294.47/62,061.87
  6. Step 6: Final answer
    x = 74,456.03

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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.