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Finding the Fourth Proportional to 8,427.57, 12,631.11 and 5,963.10

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Solution

The fourth proportional to 8,427.57, 12,631.11 and 5,963.10 is: 8,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.57 : 12,631.11 = 5,963.10 : x
  2. Step 2: Convert to fraction form
    8,427.57/12,631.11 = 5,963.10/x
  3. Step 3: Cross multiply
    8,427.57x = 12,631.11 × 5,963.10
  4. Step 4: Simplify right side
    8,427.57x = 75,320,572.04
  5. Step 5: Solve for x
    x = 75,320,572.04/8,427.57
  6. Step 6: Final answer
    x = 8,937.40

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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.