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Finding the Fourth Proportional to 10,591.92, 15,887.88 and 4,350.87

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Solution

The fourth proportional to 10,591.92, 15,887.88 and 4,350.87 is: 6,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.92 : 15,887.88 = 4,350.87 : x
  2. Step 2: Convert to fraction form
    10,591.92/15,887.88 = 4,350.87/x
  3. Step 3: Cross multiply
    10,591.92x = 15,887.88 × 4,350.87
  4. Step 4: Simplify right side
    10,591.92x = 69,126,100.46
  5. Step 5: Solve for x
    x = 69,126,100.46/10,591.92
  6. Step 6: Final answer
    x = 6,526.31

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Similar ratio
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1.5x scale

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.