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Finding the Fourth Proportional to 16,753.62, 23,120.53 and 9,680.04

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Solution

The fourth proportional to 16,753.62, 23,120.53 and 9,680.04 is: 13,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.62 : 23,120.53 = 9,680.04 : x
  2. Step 2: Convert to fraction form
    16,753.62/23,120.53 = 9,680.04/x
  3. Step 3: Cross multiply
    16,753.62x = 23,120.53 × 9,680.04
  4. Step 4: Simplify right side
    16,753.62x = 223,807,515.42
  5. Step 5: Solve for x
    x = 223,807,515.42/16,753.62
  6. Step 6: Final answer
    x = 13,358.76

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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.