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Finding the Fourth Proportional to 22,253.76, 33,380.64 and 8,932.80

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Solution

The fourth proportional to 22,253.76, 33,380.64 and 8,932.80 is: 13,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.76 : 33,380.64 = 8,932.80 : x
  2. Step 2: Convert to fraction form
    22,253.76/33,380.64 = 8,932.80/x
  3. Step 3: Cross multiply
    22,253.76x = 33,380.64 × 8,932.80
  4. Step 4: Simplify right side
    22,253.76x = 298,182,580.99
  5. Step 5: Solve for x
    x = 298,182,580.99/22,253.76
  6. Step 6: Final answer
    x = 13,399.20

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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.