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Finding the Fourth Proportional to 14,371.59, 19,831.72 and 8,082.75

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Solution

The fourth proportional to 14,371.59, 19,831.72 and 8,082.75 is: 11,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.59 : 19,831.72 = 8,082.75 : x
  2. Step 2: Convert to fraction form
    14,371.59/19,831.72 = 8,082.75/x
  3. Step 3: Cross multiply
    14,371.59x = 19,831.72 × 8,082.75
  4. Step 4: Simplify right side
    14,371.59x = 160,294,834.83
  5. Step 5: Solve for x
    x = 160,294,834.83/14,371.59
  6. Step 6: Final answer
    x = 11,153.59

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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.