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Finding the Fourth Proportional to 5,759.87, 8,641.88 and 2,012.20

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Solution

The fourth proportional to 5,759.87, 8,641.88 and 2,012.20 is: 3,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.87 : 8,641.88 = 2,012.20 : x
  2. Step 2: Convert to fraction form
    5,759.87/8,641.88 = 2,012.20/x
  3. Step 3: Cross multiply
    5,759.87x = 8,641.88 × 2,012.20
  4. Step 4: Simplify right side
    5,759.87x = 17,389,181.30
  5. Step 5: Solve for x
    x = 17,389,181.30/5,759.87
  6. Step 6: Final answer
    x = 3,019.03

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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.