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Finding the Fourth Proportional to 7,959.33, 10,987.24 and 5,372.83

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Solution

The fourth proportional to 7,959.33, 10,987.24 and 5,372.83 is: 7,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.33 : 10,987.24 = 5,372.83 : x
  2. Step 2: Convert to fraction form
    7,959.33/10,987.24 = 5,372.83/x
  3. Step 3: Cross multiply
    7,959.33x = 10,987.24 × 5,372.83
  4. Step 4: Simplify right side
    7,959.33x = 59,032,572.69
  5. Step 5: Solve for x
    x = 59,032,572.69/7,959.33
  6. Step 6: Final answer
    x = 7,416.78

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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.