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Finding the Fourth Proportional to 1,481.46, 2,044.04 and 1,010.90

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Solution

The fourth proportional to 1,481.46, 2,044.04 and 1,010.90 is: 1,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.46 : 2,044.04 = 1,010.90 : x
  2. Step 2: Convert to fraction form
    1,481.46/2,044.04 = 1,010.90/x
  3. Step 3: Cross multiply
    1,481.46x = 2,044.04 × 1,010.90
  4. Step 4: Simplify right side
    1,481.46x = 2,066,320.04
  5. Step 5: Solve for x
    x = 2,066,320.04/1,481.46
  6. Step 6: Final answer
    x = 1,394.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.