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Finding the Fourth Proportional to 8,882.52, 12,250.46 and 6,649.68

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Solution

The fourth proportional to 8,882.52, 12,250.46 and 6,649.68 is: 9,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.52 : 12,250.46 = 6,649.68 : x
  2. Step 2: Convert to fraction form
    8,882.52/12,250.46 = 6,649.68/x
  3. Step 3: Cross multiply
    8,882.52x = 12,250.46 × 6,649.68
  4. Step 4: Simplify right side
    8,882.52x = 81,461,638.85
  5. Step 5: Solve for x
    x = 81,461,638.85/8,882.52
  6. Step 6: Final answer
    x = 9,171.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.