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Finding the Fourth Proportional to 2,679.12, 3,697.17 and 1,500.18

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Solution

The fourth proportional to 2,679.12, 3,697.17 and 1,500.18 is: 2,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.12 : 3,697.17 = 1,500.18 : x
  2. Step 2: Convert to fraction form
    2,679.12/3,697.17 = 1,500.18/x
  3. Step 3: Cross multiply
    2,679.12x = 3,697.17 × 1,500.18
  4. Step 4: Simplify right side
    2,679.12x = 5,546,420.49
  5. Step 5: Solve for x
    x = 5,546,420.49/2,679.12
  6. Step 6: Final answer
    x = 2,070.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.