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Finding the Fourth Proportional to 6,139.13, 8,472.06 and 3,344.63

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Solution

The fourth proportional to 6,139.13, 8,472.06 and 3,344.63 is: 4,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.13 : 8,472.06 = 3,344.63 : x
  2. Step 2: Convert to fraction form
    6,139.13/8,472.06 = 3,344.63/x
  3. Step 3: Cross multiply
    6,139.13x = 8,472.06 × 3,344.63
  4. Step 4: Simplify right side
    6,139.13x = 28,335,863.68
  5. Step 5: Solve for x
    x = 28,335,863.68/6,139.13
  6. Step 6: Final answer
    x = 4,615.62

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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.