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Finding the Fourth Proportional to 3,169.70, 4,373.48 and 1,843.52

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Solution

The fourth proportional to 3,169.70, 4,373.48 and 1,843.52 is: 2,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.70 : 4,373.48 = 1,843.52 : x
  2. Step 2: Convert to fraction form
    3,169.70/4,373.48 = 1,843.52/x
  3. Step 3: Cross multiply
    3,169.70x = 4,373.48 × 1,843.52
  4. Step 4: Simplify right side
    3,169.70x = 8,062,597.85
  5. Step 5: Solve for x
    x = 8,062,597.85/3,169.70
  6. Step 6: Final answer
    x = 2,543.65

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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.