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Finding the Fourth Proportional to 10,451.12, 14,422.10 and 5,735.49

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Solution

The fourth proportional to 10,451.12, 14,422.10 and 5,735.49 is: 7,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.12 : 14,422.10 = 5,735.49 : x
  2. Step 2: Convert to fraction form
    10,451.12/14,422.10 = 5,735.49/x
  3. Step 3: Cross multiply
    10,451.12x = 14,422.10 × 5,735.49
  4. Step 4: Simplify right side
    10,451.12x = 82,717,781.65
  5. Step 5: Solve for x
    x = 82,717,781.65/10,451.12
  6. Step 6: Final answer
    x = 7,914.73

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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.