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Finding the Fourth Proportional to 60,969.92, 84,132.96 and 38,613.44

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Solution

The fourth proportional to 60,969.92, 84,132.96 and 38,613.44 is: 53,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,969.92 : 84,132.96 = 38,613.44 : x
  2. Step 2: Convert to fraction form
    60,969.92/84,132.96 = 38,613.44/x
  3. Step 3: Cross multiply
    60,969.92x = 84,132.96 × 38,613.44
  4. Step 4: Simplify right side
    60,969.92x = 3,248,663,002.98
  5. Step 5: Solve for x
    x = 3,248,663,002.98/60,969.92
  6. Step 6: Final answer
    x = 53,283.05

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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.