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Finding the Fourth Proportional to 8,882.19, 12,250.04 and 6,649.43

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Solution

The fourth proportional to 8,882.19, 12,250.04 and 6,649.43 is: 9,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.19 : 12,250.04 = 6,649.43 : x
  2. Step 2: Convert to fraction form
    8,882.19/12,250.04 = 6,649.43/x
  3. Step 3: Cross multiply
    8,882.19x = 12,250.04 × 6,649.43
  4. Step 4: Simplify right side
    8,882.19x = 81,455,688.98
  5. Step 5: Solve for x
    x = 81,455,688.98/8,882.19
  6. Step 6: Final answer
    x = 9,170.68

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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.