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Finding the Fourth Proportional to 3,540.93, 4,874.61 and 2,655.19

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Solution

The fourth proportional to 3,540.93, 4,874.61 and 2,655.19 is: 3,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.93 : 4,874.61 = 2,655.19 : x
  2. Step 2: Convert to fraction form
    3,540.93/4,874.61 = 2,655.19/x
  3. Step 3: Cross multiply
    3,540.93x = 4,874.61 × 2,655.19
  4. Step 4: Simplify right side
    3,540.93x = 12,943,031.78
  5. Step 5: Solve for x
    x = 12,943,031.78/3,540.93
  6. Step 6: Final answer
    x = 3,655.27

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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.