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Finding the Fourth Proportional to 8,591.32, 11,854.92 and 5,053.24

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Solution

The fourth proportional to 8,591.32, 11,854.92 and 5,053.24 is: 6,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.32 : 11,854.92 = 5,053.24 : x
  2. Step 2: Convert to fraction form
    8,591.32/11,854.92 = 5,053.24/x
  3. Step 3: Cross multiply
    8,591.32x = 11,854.92 × 5,053.24
  4. Step 4: Simplify right side
    8,591.32x = 59,905,755.94
  5. Step 5: Solve for x
    x = 59,905,755.94/8,591.32
  6. Step 6: Final answer
    x = 6,972.82

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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.