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Finding the Fourth Proportional to 2,717.90, 3,749.82 and 1,522.71

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Solution

The fourth proportional to 2,717.90, 3,749.82 and 1,522.71 is: 2,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.90 : 3,749.82 = 1,522.71 : x
  2. Step 2: Convert to fraction form
    2,717.90/3,749.82 = 1,522.71/x
  3. Step 3: Cross multiply
    2,717.90x = 3,749.82 × 1,522.71
  4. Step 4: Simplify right side
    2,717.90x = 5,709,888.41
  5. Step 5: Solve for x
    x = 5,709,888.41/2,717.90
  6. Step 6: Final answer
    x = 2,100.85

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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.