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Finding the Fourth Proportional to 2,514.12, 3,770.04 and 1,282.20

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Solution

The fourth proportional to 2,514.12, 3,770.04 and 1,282.20 is: 1,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.12 : 3,770.04 = 1,282.20 : x
  2. Step 2: Convert to fraction form
    2,514.12/3,770.04 = 1,282.20/x
  3. Step 3: Cross multiply
    2,514.12x = 3,770.04 × 1,282.20
  4. Step 4: Simplify right side
    2,514.12x = 4,833,945.29
  5. Step 5: Solve for x
    x = 4,833,945.29/2,514.12
  6. Step 6: Final answer
    x = 1,922.72

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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.