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Finding the Fourth Proportional to 7,248.66, 10,876.42 and 3,961.65

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Solution

The fourth proportional to 7,248.66, 10,876.42 and 3,961.65 is: 5,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.66 : 10,876.42 = 3,961.65 : x
  2. Step 2: Convert to fraction form
    7,248.66/10,876.42 = 3,961.65/x
  3. Step 3: Cross multiply
    7,248.66x = 10,876.42 × 3,961.65
  4. Step 4: Simplify right side
    7,248.66x = 43,088,569.29
  5. Step 5: Solve for x
    x = 43,088,569.29/7,248.66
  6. Step 6: Final answer
    x = 5,944.35

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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.