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Finding the Fourth Proportional to 63,691.84, 95,537.77 and 28,590.49

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Solution

The fourth proportional to 63,691.84, 95,537.77 and 28,590.49 is: 42,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.84 : 95,537.77 = 28,590.49 : x
  2. Step 2: Convert to fraction form
    63,691.84/95,537.77 = 28,590.49/x
  3. Step 3: Cross multiply
    63,691.84x = 95,537.77 × 28,590.49
  4. Step 4: Simplify right side
    63,691.84x = 2,731,471,657.81
  5. Step 5: Solve for x
    x = 2,731,471,657.81/63,691.84
  6. Step 6: Final answer
    x = 42,885.74

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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.