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Finding the Fourth Proportional to 2,575.53, 3,863.13 and 1,170.05

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Solution

The fourth proportional to 2,575.53, 3,863.13 and 1,170.05 is: 1,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.53 : 3,863.13 = 1,170.05 : x
  2. Step 2: Convert to fraction form
    2,575.53/3,863.13 = 1,170.05/x
  3. Step 3: Cross multiply
    2,575.53x = 3,863.13 × 1,170.05
  4. Step 4: Simplify right side
    2,575.53x = 4,520,036.49
  5. Step 5: Solve for x
    x = 4,520,036.49/2,575.53
  6. Step 6: Final answer
    x = 1,754.99

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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.