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Finding the Fourth Proportional to 22,318.76, 33,454.76 and 7,522.56

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Solution

The fourth proportional to 22,318.76, 33,454.76 and 7,522.56 is: 11,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.76 : 33,454.76 = 7,522.56 : x
  2. Step 2: Convert to fraction form
    22,318.76/33,454.76 = 7,522.56/x
  3. Step 3: Cross multiply
    22,318.76x = 33,454.76 × 7,522.56
  4. Step 4: Simplify right side
    22,318.76x = 251,665,439.39
  5. Step 5: Solve for x
    x = 251,665,439.39/22,318.76
  6. Step 6: Final answer
    x = 11,275.96

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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.