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Finding the Fourth Proportional to 1,363.12, 2,044.92 and 541.52

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Solution

The fourth proportional to 1,363.12, 2,044.92 and 541.52 is: 812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.12 : 2,044.92 = 541.52 : x
  2. Step 2: Convert to fraction form
    1,363.12/2,044.92 = 541.52/x
  3. Step 3: Cross multiply
    1,363.12x = 2,044.92 × 541.52
  4. Step 4: Simplify right side
    1,363.12x = 1,107,365.08
  5. Step 5: Solve for x
    x = 1,107,365.08/1,363.12
  6. Step 6: Final answer
    x = 812.38

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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.