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Finding the Fourth Proportional to 8,872.92, 13,304.79 and 7,202.57

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Solution

The fourth proportional to 8,872.92, 13,304.79 and 7,202.57 is: 10,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.92 : 13,304.79 = 7,202.57 : x
  2. Step 2: Convert to fraction form
    8,872.92/13,304.79 = 7,202.57/x
  3. Step 3: Cross multiply
    8,872.92x = 13,304.79 × 7,202.57
  4. Step 4: Simplify right side
    8,872.92x = 95,828,614.79
  5. Step 5: Solve for x
    x = 95,828,614.79/8,872.92
  6. Step 6: Final answer
    x = 10,800.12

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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.