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Finding the Fourth Proportional to 2,114.52, 3,170.82 and 1,627.88

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Solution

The fourth proportional to 2,114.52, 3,170.82 and 1,627.88 is: 2,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.52 : 3,170.82 = 1,627.88 : x
  2. Step 2: Convert to fraction form
    2,114.52/3,170.82 = 1,627.88/x
  3. Step 3: Cross multiply
    2,114.52x = 3,170.82 × 1,627.88
  4. Step 4: Simplify right side
    2,114.52x = 5,161,714.46
  5. Step 5: Solve for x
    x = 5,161,714.46/2,114.52
  6. Step 6: Final answer
    x = 2,441.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.