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Finding the Fourth Proportional to 1,747.88, 2,411.88 and 1,049.12

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Solution

The fourth proportional to 1,747.88, 2,411.88 and 1,049.12 is: 1,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.88 : 2,411.88 = 1,049.12 : x
  2. Step 2: Convert to fraction form
    1,747.88/2,411.88 = 1,049.12/x
  3. Step 3: Cross multiply
    1,747.88x = 2,411.88 × 1,049.12
  4. Step 4: Simplify right side
    1,747.88x = 2,530,351.55
  5. Step 5: Solve for x
    x = 2,530,351.55/1,747.88
  6. Step 6: Final answer
    x = 1,447.67

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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.