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Finding the Fourth Proportional to 63,589.32, 87,743.52 and 38,089.71

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Solution

The fourth proportional to 63,589.32, 87,743.52 and 38,089.71 is: 52,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,589.32 : 87,743.52 = 38,089.71 : x
  2. Step 2: Convert to fraction form
    63,589.32/87,743.52 = 38,089.71/x
  3. Step 3: Cross multiply
    63,589.32x = 87,743.52 × 38,089.71
  4. Step 4: Simplify right side
    63,589.32x = 3,342,125,231.18
  5. Step 5: Solve for x
    x = 3,342,125,231.18/63,589.32
  6. Step 6: Final answer
    x = 52,557.96

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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.