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Finding the Fourth Proportional to 22,327.76, 33,491.64 and 8,486.48

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Solution

The fourth proportional to 22,327.76, 33,491.64 and 8,486.48 is: 12,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.76 : 33,491.64 = 8,486.48 : x
  2. Step 2: Convert to fraction form
    22,327.76/33,491.64 = 8,486.48/x
  3. Step 3: Cross multiply
    22,327.76x = 33,491.64 × 8,486.48
  4. Step 4: Simplify right side
    22,327.76x = 284,226,133.03
  5. Step 5: Solve for x
    x = 284,226,133.03/22,327.76
  6. Step 6: Final answer
    x = 12,729.72

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Similar ratio
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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.