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Finding the Fourth Proportional to 2,049.75, 3,074.58 and 588.90

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Solution

The fourth proportional to 2,049.75, 3,074.58 and 588.90 is: 883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.75 : 3,074.58 = 588.90 : x
  2. Step 2: Convert to fraction form
    2,049.75/3,074.58 = 588.90/x
  3. Step 3: Cross multiply
    2,049.75x = 3,074.58 × 588.90
  4. Step 4: Simplify right side
    2,049.75x = 1,810,620.16
  5. Step 5: Solve for x
    x = 1,810,620.16/2,049.75
  6. Step 6: Final answer
    x = 883.34

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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.