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Finding the Fourth Proportional to 63,377.62, 87,460.79 and 34,699.88

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Solution

The fourth proportional to 63,377.62, 87,460.79 and 34,699.88 is: 47,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,377.62 : 87,460.79 = 34,699.88 : x
  2. Step 2: Convert to fraction form
    63,377.62/87,460.79 = 34,699.88/x
  3. Step 3: Cross multiply
    63,377.62x = 87,460.79 × 34,699.88
  4. Step 4: Simplify right side
    63,377.62x = 3,034,878,962.86
  5. Step 5: Solve for x
    x = 3,034,878,962.86/63,377.62
  6. Step 6: Final answer
    x = 47,885.66

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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.