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Finding the Fourth Proportional to 14,915.44, 20,582.52 and 8,201.92

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Solution

The fourth proportional to 14,915.44, 20,582.52 and 8,201.92 is: 11,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.44 : 20,582.52 = 8,201.92 : x
  2. Step 2: Convert to fraction form
    14,915.44/20,582.52 = 8,201.92/x
  3. Step 3: Cross multiply
    14,915.44x = 20,582.52 × 8,201.92
  4. Step 4: Simplify right side
    14,915.44x = 168,816,182.44
  5. Step 5: Solve for x
    x = 168,816,182.44/14,915.44
  6. Step 6: Final answer
    x = 11,318.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.