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Finding the Fourth Proportional to 8,242.97, 12,351.49 and 6,373.43

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Solution

The fourth proportional to 8,242.97, 12,351.49 and 6,373.43 is: 9,550.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.97 : 12,351.49 = 6,373.43 : x
  2. Step 2: Convert to fraction form
    8,242.97/12,351.49 = 6,373.43/x
  3. Step 3: Cross multiply
    8,242.97x = 12,351.49 × 6,373.43
  4. Step 4: Simplify right side
    8,242.97x = 78,721,322.05
  5. Step 5: Solve for x
    x = 78,721,322.05/8,242.97
  6. Step 6: Final answer
    x = 9,550.12

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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.