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Finding the Fourth Proportional to 10,695.38, 14,761.44 and 5,978.75

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Solution

The fourth proportional to 10,695.38, 14,761.44 and 5,978.75 is: 8,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.38 : 14,761.44 = 5,978.75 : x
  2. Step 2: Convert to fraction form
    10,695.38/14,761.44 = 5,978.75/x
  3. Step 3: Cross multiply
    10,695.38x = 14,761.44 × 5,978.75
  4. Step 4: Simplify right side
    10,695.38x = 88,254,885.59
  5. Step 5: Solve for x
    x = 88,254,885.59/10,695.38
  6. Step 6: Final answer
    x = 8,251.69

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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.