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Finding the Fourth Proportional to 3,411.71, 5,117.55 and 1,882.43

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Solution

The fourth proportional to 3,411.71, 5,117.55 and 1,882.43 is: 2,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.71 : 5,117.55 = 1,882.43 : x
  2. Step 2: Convert to fraction form
    3,411.71/5,117.55 = 1,882.43/x
  3. Step 3: Cross multiply
    3,411.71x = 5,117.55 × 1,882.43
  4. Step 4: Simplify right side
    3,411.71x = 9,633,404.06
  5. Step 5: Solve for x
    x = 9,633,404.06/3,411.71
  6. Step 6: Final answer
    x = 2,823.63

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