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Finding the Fourth Proportional to 5,015.80, 7,524.90 and 2,092.48

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Solution

The fourth proportional to 5,015.80, 7,524.90 and 2,092.48 is: 3,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.80 : 7,524.90 = 2,092.48 : x
  2. Step 2: Convert to fraction form
    5,015.80/7,524.90 = 2,092.48/x
  3. Step 3: Cross multiply
    5,015.80x = 7,524.90 × 2,092.48
  4. Step 4: Simplify right side
    5,015.80x = 15,745,702.75
  5. Step 5: Solve for x
    x = 15,745,702.75/5,015.80
  6. Step 6: Final answer
    x = 3,139.22

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1.5x scale

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.