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Finding the Fourth Proportional to 8,972.92, 13,452.72 and 5,463.64

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Solution

The fourth proportional to 8,972.92, 13,452.72 and 5,463.64 is: 8,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.92 : 13,452.72 = 5,463.64 : x
  2. Step 2: Convert to fraction form
    8,972.92/13,452.72 = 5,463.64/x
  3. Step 3: Cross multiply
    8,972.92x = 13,452.72 × 5,463.64
  4. Step 4: Simplify right side
    8,972.92x = 73,500,819.10
  5. Step 5: Solve for x
    x = 73,500,819.10/8,972.92
  6. Step 6: Final answer
    x = 8,191.40

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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.