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Finding the Fourth Proportional to 63,708.80, 95,534.40 and 28,630.40

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Solution

The fourth proportional to 63,708.80, 95,534.40 and 28,630.40 is: 42,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,708.80 : 95,534.40 = 28,630.40 : x
  2. Step 2: Convert to fraction form
    63,708.80/95,534.40 = 28,630.40/x
  3. Step 3: Cross multiply
    63,708.80x = 95,534.40 × 28,630.40
  4. Step 4: Simplify right side
    63,708.80x = 2,735,188,085.76
  5. Step 5: Solve for x
    x = 2,735,188,085.76/63,708.80
  6. Step 6: Final answer
    x = 42,932.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.