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Finding the Fourth Proportional to 6,913.11, 9,537.08 and 4,393.87

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Solution

The fourth proportional to 6,913.11, 9,537.08 and 4,393.87 is: 6,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.11 : 9,537.08 = 4,393.87 : x
  2. Step 2: Convert to fraction form
    6,913.11/9,537.08 = 4,393.87/x
  3. Step 3: Cross multiply
    6,913.11x = 9,537.08 × 4,393.87
  4. Step 4: Simplify right side
    6,913.11x = 41,904,689.70
  5. Step 5: Solve for x
    x = 41,904,689.70/6,913.11
  6. Step 6: Final answer
    x = 6,061.63

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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.