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Finding the Fourth Proportional to 8,872.04, 12,248.42 and 5,891.96

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Solution

The fourth proportional to 8,872.04, 12,248.42 and 5,891.96 is: 8,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.04 : 12,248.42 = 5,891.96 : x
  2. Step 2: Convert to fraction form
    8,872.04/12,248.42 = 5,891.96/x
  3. Step 3: Cross multiply
    8,872.04x = 12,248.42 × 5,891.96
  4. Step 4: Simplify right side
    8,872.04x = 72,167,200.70
  5. Step 5: Solve for x
    x = 72,167,200.70/8,872.04
  6. Step 6: Final answer
    x = 8,134.23

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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.