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Finding the Fourth Proportional to 3,610.71, 5,416.07 and 2,954.61

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Solution

The fourth proportional to 3,610.71, 5,416.07 and 2,954.61 is: 4,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.71 : 5,416.07 = 2,954.61 : x
  2. Step 2: Convert to fraction form
    3,610.71/5,416.07 = 2,954.61/x
  3. Step 3: Cross multiply
    3,610.71x = 5,416.07 × 2,954.61
  4. Step 4: Simplify right side
    3,610.71x = 16,002,374.58
  5. Step 5: Solve for x
    x = 16,002,374.58/3,610.71
  6. Step 6: Final answer
    x = 4,431.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.