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Finding the Fourth Proportional to 12,932.46, 19,401.93 and 4,167.18

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Solution

The fourth proportional to 12,932.46, 19,401.93 and 4,167.18 is: 6,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.46 : 19,401.93 = 4,167.18 : x
  2. Step 2: Convert to fraction form
    12,932.46/19,401.93 = 4,167.18/x
  3. Step 3: Cross multiply
    12,932.46x = 19,401.93 × 4,167.18
  4. Step 4: Simplify right side
    12,932.46x = 80,851,334.66
  5. Step 5: Solve for x
    x = 80,851,334.66/12,932.46
  6. Step 6: Final answer
    x = 6,251.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.