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Finding the Fourth Proportional to 22,318.74, 33,454.74 and 7,522.55

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Solution

The fourth proportional to 22,318.74, 33,454.74 and 7,522.55 is: 11,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,318.74 : 33,454.74 = 7,522.55 : x
  2. Step 2: Convert to fraction form
    22,318.74/33,454.74 = 7,522.55/x
  3. Step 3: Cross multiply
    22,318.74x = 33,454.74 × 7,522.55
  4. Step 4: Simplify right side
    22,318.74x = 251,664,954.39
  5. Step 5: Solve for x
    x = 251,664,954.39/22,318.74
  6. Step 6: Final answer
    x = 11,275.95

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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.