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Finding the Fourth Proportional to 8,253.72, 12,397.71 and 6,674.22

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Solution

The fourth proportional to 8,253.72, 12,397.71 and 6,674.22 is: 10,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.72 : 12,397.71 = 6,674.22 : x
  2. Step 2: Convert to fraction form
    8,253.72/12,397.71 = 6,674.22/x
  3. Step 3: Cross multiply
    8,253.72x = 12,397.71 × 6,674.22
  4. Step 4: Simplify right side
    8,253.72x = 82,745,044.04
  5. Step 5: Solve for x
    x = 82,745,044.04/8,253.72
  6. Step 6: Final answer
    x = 10,025.18

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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.