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Finding the Fourth Proportional to 8,922.48, 13,382.10 and 3,375.60

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Solution

The fourth proportional to 8,922.48, 13,382.10 and 3,375.60 is: 5,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.48 : 13,382.10 = 3,375.60 : x
  2. Step 2: Convert to fraction form
    8,922.48/13,382.10 = 3,375.60/x
  3. Step 3: Cross multiply
    8,922.48x = 13,382.10 × 3,375.60
  4. Step 4: Simplify right side
    8,922.48x = 45,172,616.76
  5. Step 5: Solve for x
    x = 45,172,616.76/8,922.48
  6. Step 6: Final answer
    x = 5,062.79

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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.