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Finding the Fourth Proportional to 22,247.68, 33,360.72 and 8,397.76

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Solution

The fourth proportional to 22,247.68, 33,360.72 and 8,397.76 is: 12,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.68 : 33,360.72 = 8,397.76 : x
  2. Step 2: Convert to fraction form
    22,247.68/33,360.72 = 8,397.76/x
  3. Step 3: Cross multiply
    22,247.68x = 33,360.72 × 8,397.76
  4. Step 4: Simplify right side
    22,247.68x = 280,155,319.99
  5. Step 5: Solve for x
    x = 280,155,319.99/22,247.68
  6. Step 6: Final answer
    x = 12,592.56

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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.