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Finding the Fourth Proportional to 5,759.55, 7,948.19 and 3,241.80

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Solution

The fourth proportional to 5,759.55, 7,948.19 and 3,241.80 is: 4,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.55 : 7,948.19 = 3,241.80 : x
  2. Step 2: Convert to fraction form
    5,759.55/7,948.19 = 3,241.80/x
  3. Step 3: Cross multiply
    5,759.55x = 7,948.19 × 3,241.80
  4. Step 4: Simplify right side
    5,759.55x = 25,766,442.34
  5. Step 5: Solve for x
    x = 25,766,442.34/5,759.55
  6. Step 6: Final answer
    x = 4,473.69

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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.