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Finding the Fourth Proportional to 63,064.80, 87,029.28 and 34,770.96

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Solution

The fourth proportional to 63,064.80, 87,029.28 and 34,770.96 is: 47,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,064.80 : 87,029.28 = 34,770.96 : x
  2. Step 2: Convert to fraction form
    63,064.80/87,029.28 = 34,770.96/x
  3. Step 3: Cross multiply
    63,064.80x = 87,029.28 × 34,770.96
  4. Step 4: Simplify right side
    63,064.80x = 3,026,091,613.71
  5. Step 5: Solve for x
    x = 3,026,091,613.71/63,064.80
  6. Step 6: Final answer
    x = 47,983.85

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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.