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Finding the Fourth Proportional to 4,172.68, 5,758.95 and 2,493.55

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Solution

The fourth proportional to 4,172.68, 5,758.95 and 2,493.55 is: 3,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.68 : 5,758.95 = 2,493.55 : x
  2. Step 2: Convert to fraction form
    4,172.68/5,758.95 = 2,493.55/x
  3. Step 3: Cross multiply
    4,172.68x = 5,758.95 × 2,493.55
  4. Step 4: Simplify right side
    4,172.68x = 14,360,229.77
  5. Step 5: Solve for x
    x = 14,360,229.77/4,172.68
  6. Step 6: Final answer
    x = 3,441.49

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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.