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Finding the Fourth Proportional to 63,517.74, 95,313.53 and 28,457.40

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Solution

The fourth proportional to 63,517.74, 95,313.53 and 28,457.40 is: 42,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,517.74 : 95,313.53 = 28,457.40 : x
  2. Step 2: Convert to fraction form
    63,517.74/95,313.53 = 28,457.40/x
  3. Step 3: Cross multiply
    63,517.74x = 95,313.53 × 28,457.40
  4. Step 4: Simplify right side
    63,517.74x = 2,712,375,248.62
  5. Step 5: Solve for x
    x = 2,712,375,248.62/63,517.74
  6. Step 6: Final answer
    x = 42,702.64

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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.