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Finding the Fourth Proportional to 1,481.50, 2,044.47 and 892.06

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Solution

The fourth proportional to 1,481.50, 2,044.47 and 892.06 is: 1,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.50 : 2,044.47 = 892.06 : x
  2. Step 2: Convert to fraction form
    1,481.50/2,044.47 = 892.06/x
  3. Step 3: Cross multiply
    1,481.50x = 2,044.47 × 892.06
  4. Step 4: Simplify right side
    1,481.50x = 1,823,789.91
  5. Step 5: Solve for x
    x = 1,823,789.91/1,481.50
  6. Step 6: Final answer
    x = 1,231.04

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1.5x scale

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.