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Finding the Fourth Proportional to 16,752.62, 23,116.97 and 9,678.89

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Solution

The fourth proportional to 16,752.62, 23,116.97 and 9,678.89 is: 13,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.62 : 23,116.97 = 9,678.89 : x
  2. Step 2: Convert to fraction form
    16,752.62/23,116.97 = 9,678.89/x
  3. Step 3: Cross multiply
    16,752.62x = 23,116.97 × 9,678.89
  4. Step 4: Simplify right side
    16,752.62x = 223,746,609.76
  5. Step 5: Solve for x
    x = 223,746,609.76/16,752.62
  6. Step 6: Final answer
    x = 13,355.92

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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.