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Finding the Fourth Proportional to 50,591.50, 69,839.88 and 29,366.68

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Solution

The fourth proportional to 50,591.50, 69,839.88 and 29,366.68 is: 40,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,591.50 : 69,839.88 = 29,366.68 : x
  2. Step 2: Convert to fraction form
    50,591.50/69,839.88 = 29,366.68/x
  3. Step 3: Cross multiply
    50,591.50x = 69,839.88 × 29,366.68
  4. Step 4: Simplify right side
    50,591.50x = 2,050,965,407.20
  5. Step 5: Solve for x
    x = 2,050,965,407.20/50,591.50
  6. Step 6: Final answer
    x = 40,539.72

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1.5x scale

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.