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Finding the Fourth Proportional to 69,581.41, 96,027.10 and 39,366.72

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Solution

The fourth proportional to 69,581.41, 96,027.10 and 39,366.72 is: 54,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581.41 : 96,027.10 = 39,366.72 : x
  2. Step 2: Convert to fraction form
    69,581.41/96,027.10 = 39,366.72/x
  3. Step 3: Cross multiply
    69,581.41x = 96,027.10 × 39,366.72
  4. Step 4: Simplify right side
    69,581.41x = 3,780,271,761.28
  5. Step 5: Solve for x
    x = 3,780,271,761.28/69,581.41
  6. Step 6: Final answer
    x = 54,328.76

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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.