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Finding the Fourth Proportional to 2,686.76, 4,031.73 and 1,454.14

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Solution

The fourth proportional to 2,686.76, 4,031.73 and 1,454.14 is: 2,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.76 : 4,031.73 = 1,454.14 : x
  2. Step 2: Convert to fraction form
    2,686.76/4,031.73 = 1,454.14/x
  3. Step 3: Cross multiply
    2,686.76x = 4,031.73 × 1,454.14
  4. Step 4: Simplify right side
    2,686.76x = 5,862,699.86
  5. Step 5: Solve for x
    x = 5,862,699.86/2,686.76
  6. Step 6: Final answer
    x = 2,182.07

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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.