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Finding the Fourth Proportional to 63,251.40, 87,287.60 and 34,571.88

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Solution

The fourth proportional to 63,251.40, 87,287.60 and 34,571.88 is: 47,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,251.40 : 87,287.60 = 34,571.88 : x
  2. Step 2: Convert to fraction form
    63,251.40/87,287.60 = 34,571.88/x
  3. Step 3: Cross multiply
    63,251.40x = 87,287.60 × 34,571.88
  4. Step 4: Simplify right side
    63,251.40x = 3,017,696,432.69
  5. Step 5: Solve for x
    x = 3,017,696,432.69/63,251.40
  6. Step 6: Final answer
    x = 47,709.56

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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.