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Finding the Fourth Proportional to 63,065.53, 87,031.11 and 34,384.96

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Solution

The fourth proportional to 63,065.53, 87,031.11 and 34,384.96 is: 47,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.53 : 87,031.11 = 34,384.96 : x
  2. Step 2: Convert to fraction form
    63,065.53/87,031.11 = 34,384.96/x
  3. Step 3: Cross multiply
    63,065.53x = 87,031.11 × 34,384.96
  4. Step 4: Simplify right side
    63,065.53x = 2,992,561,229.06
  5. Step 5: Solve for x
    x = 2,992,561,229.06/63,065.53
  6. Step 6: Final answer
    x = 47,451.61

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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.