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Finding the Fourth Proportional to 14,935.92, 20,608.20 and 8,648.16

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Solution

The fourth proportional to 14,935.92, 20,608.20 and 8,648.16 is: 11,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.92 : 20,608.20 = 8,648.16 : x
  2. Step 2: Convert to fraction form
    14,935.92/20,608.20 = 8,648.16/x
  3. Step 3: Cross multiply
    14,935.92x = 20,608.20 × 8,648.16
  4. Step 4: Simplify right side
    14,935.92x = 178,223,010.91
  5. Step 5: Solve for x
    x = 178,223,010.91/14,935.92
  6. Step 6: Final answer
    x = 11,932.51

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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.