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Finding the Fourth Proportional to 22,400.12, 33,601.80 and 9,253.28

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Solution

The fourth proportional to 22,400.12, 33,601.80 and 9,253.28 is: 13,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.12 : 33,601.80 = 9,253.28 : x
  2. Step 2: Convert to fraction form
    22,400.12/33,601.80 = 9,253.28/x
  3. Step 3: Cross multiply
    22,400.12x = 33,601.80 × 9,253.28
  4. Step 4: Simplify right side
    22,400.12x = 310,926,863.90
  5. Step 5: Solve for x
    x = 310,926,863.90/22,400.12
  6. Step 6: Final answer
    x = 13,880.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.