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Finding the Fourth Proportional to 1,793.90, 2,474.10 and 1,264.55

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Solution

The fourth proportional to 1,793.90, 2,474.10 and 1,264.55 is: 1,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.90 : 2,474.10 = 1,264.55 : x
  2. Step 2: Convert to fraction form
    1,793.90/2,474.10 = 1,264.55/x
  3. Step 3: Cross multiply
    1,793.90x = 2,474.10 × 1,264.55
  4. Step 4: Simplify right side
    1,793.90x = 3,128,610.78
  5. Step 5: Solve for x
    x = 3,128,610.78/1,793.90
  6. Step 6: Final answer
    x = 1,744.02

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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.