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Finding the Fourth Proportional to 2,672.58, 3,688.17 and 1,493.67

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Solution

The fourth proportional to 2,672.58, 3,688.17 and 1,493.67 is: 2,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.58 : 3,688.17 = 1,493.67 : x
  2. Step 2: Convert to fraction form
    2,672.58/3,688.17 = 1,493.67/x
  3. Step 3: Cross multiply
    2,672.58x = 3,688.17 × 1,493.67
  4. Step 4: Simplify right side
    2,672.58x = 5,508,908.88
  5. Step 5: Solve for x
    x = 5,508,908.88/2,672.58
  6. Step 6: Final answer
    x = 2,061.27

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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.