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Finding the Fourth Proportional to 3,972.61, 5,959.04 and 1,892.84

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Solution

The fourth proportional to 3,972.61, 5,959.04 and 1,892.84 is: 2,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.61 : 5,959.04 = 1,892.84 : x
  2. Step 2: Convert to fraction form
    3,972.61/5,959.04 = 1,892.84/x
  3. Step 3: Cross multiply
    3,972.61x = 5,959.04 × 1,892.84
  4. Step 4: Simplify right side
    3,972.61x = 11,279,470.01
  5. Step 5: Solve for x
    x = 11,279,470.01/3,972.61
  6. Step 6: Final answer
    x = 2,839.31

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1.5x scale

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.