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Finding the Fourth Proportional to 3,959.90, 5,941.17 and 1,494.94

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Solution

The fourth proportional to 3,959.90, 5,941.17 and 1,494.94 is: 2,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.90 : 5,941.17 = 1,494.94 : x
  2. Step 2: Convert to fraction form
    3,959.90/5,941.17 = 1,494.94/x
  3. Step 3: Cross multiply
    3,959.90x = 5,941.17 × 1,494.94
  4. Step 4: Simplify right side
    3,959.90x = 8,881,693.17
  5. Step 5: Solve for x
    x = 8,881,693.17/3,959.90
  6. Step 6: Final answer
    x = 2,242.91

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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.