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Finding the Fourth Proportional to 63,126.84, 87,114.60 and 34,446.48

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Solution

The fourth proportional to 63,126.84, 87,114.60 and 34,446.48 is: 47,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.84 : 87,114.60 = 34,446.48 : x
  2. Step 2: Convert to fraction form
    63,126.84/87,114.60 = 34,446.48/x
  3. Step 3: Cross multiply
    63,126.84x = 87,114.60 × 34,446.48
  4. Step 4: Simplify right side
    63,126.84x = 3,000,791,326.61
  5. Step 5: Solve for x
    x = 3,000,791,326.61/63,126.84
  6. Step 6: Final answer
    x = 47,535.90

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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.