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Finding the Fourth Proportional to 60,651.92, 83,734.32 and 40,542.92

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Solution

The fourth proportional to 60,651.92, 83,734.32 and 40,542.92 is: 55,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,651.92 : 83,734.32 = 40,542.92 : x
  2. Step 2: Convert to fraction form
    60,651.92/83,734.32 = 40,542.92/x
  3. Step 3: Cross multiply
    60,651.92x = 83,734.32 × 40,542.92
  4. Step 4: Simplify right side
    60,651.92x = 3,394,833,837.01
  5. Step 5: Solve for x
    x = 3,394,833,837.01/60,651.92
  6. Step 6: Final answer
    x = 55,972.41

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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.