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Finding the Fourth Proportional to 10,876.56, 14,995.38 and 7,849.14

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Solution

The fourth proportional to 10,876.56, 14,995.38 and 7,849.14 is: 10,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.56 : 14,995.38 = 7,849.14 : x
  2. Step 2: Convert to fraction form
    10,876.56/14,995.38 = 7,849.14/x
  3. Step 3: Cross multiply
    10,876.56x = 14,995.38 × 7,849.14
  4. Step 4: Simplify right side
    10,876.56x = 117,700,836.97
  5. Step 5: Solve for x
    x = 117,700,836.97/10,876.56
  6. Step 6: Final answer
    x = 10,821.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.