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Finding the Fourth Proportional to 12,753.66, 17,601.15 and 7,450.18

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Solution

The fourth proportional to 12,753.66, 17,601.15 and 7,450.18 is: 10,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.66 : 17,601.15 = 7,450.18 : x
  2. Step 2: Convert to fraction form
    12,753.66/17,601.15 = 7,450.18/x
  3. Step 3: Cross multiply
    12,753.66x = 17,601.15 × 7,450.18
  4. Step 4: Simplify right side
    12,753.66x = 131,131,735.71
  5. Step 5: Solve for x
    x = 131,131,735.71/12,753.66
  6. Step 6: Final answer
    x = 10,281.89

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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.