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Finding the Fourth Proportional to 7,959.06, 11,938.17 and 3,277.92

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Solution

The fourth proportional to 7,959.06, 11,938.17 and 3,277.92 is: 4,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.06 : 11,938.17 = 3,277.92 : x
  2. Step 2: Convert to fraction form
    7,959.06/11,938.17 = 3,277.92/x
  3. Step 3: Cross multiply
    7,959.06x = 11,938.17 × 3,277.92
  4. Step 4: Simplify right side
    7,959.06x = 39,132,366.21
  5. Step 5: Solve for x
    x = 39,132,366.21/7,959.06
  6. Step 6: Final answer
    x = 4,916.71

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Why These Related Problems?

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