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Finding the Fourth Proportional to 63,079.28, 87,045.43 and 36,202.87

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Solution

The fourth proportional to 63,079.28, 87,045.43 and 36,202.87 is: 49,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,079.28 : 87,045.43 = 36,202.87 : x
  2. Step 2: Convert to fraction form
    63,079.28/87,045.43 = 36,202.87/x
  3. Step 3: Cross multiply
    63,079.28x = 87,045.43 × 36,202.87
  4. Step 4: Simplify right side
    63,079.28x = 3,151,294,386.38
  5. Step 5: Solve for x
    x = 3,151,294,386.38/63,079.28
  6. Step 6: Final answer
    x = 49,957.68

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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.