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Finding the Fourth Proportional to 63,378.62, 87,462.16 and 34,700.88

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Solution

The fourth proportional to 63,378.62, 87,462.16 and 34,700.88 is: 47,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,378.62 : 87,462.16 = 34,700.88 : x
  2. Step 2: Convert to fraction form
    63,378.62/87,462.16 = 34,700.88/x
  3. Step 3: Cross multiply
    63,378.62x = 87,462.16 × 34,700.88
  4. Step 4: Simplify right side
    63,378.62x = 3,035,013,918.70
  5. Step 5: Solve for x
    x = 3,035,013,918.70/63,378.62
  6. Step 6: Final answer
    x = 47,887.03

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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.