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Finding the Fourth Proportional to 63,589.32, 95,369.40 and 28,539

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Solution

The fourth proportional to 63,589.32, 95,369.40 and 28,539 is: 42,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,589.32 : 95,369.40 = 28,539 : x
  2. Step 2: Convert to fraction form
    63,589.32/95,369.40 = 28,539/x
  3. Step 3: Cross multiply
    63,589.32x = 95,369.40 × 28,539
  4. Step 4: Simplify right side
    63,589.32x = 2,721,747,306.60
  5. Step 5: Solve for x
    x = 2,721,747,306.60/63,589.32
  6. Step 6: Final answer
    x = 42,801.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.