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Finding the Fourth Proportional to 7,879.49, 10,873.28 and 4,895.27

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Solution

The fourth proportional to 7,879.49, 10,873.28 and 4,895.27 is: 6,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879.49 : 10,873.28 = 4,895.27 : x
  2. Step 2: Convert to fraction form
    7,879.49/10,873.28 = 4,895.27/x
  3. Step 3: Cross multiply
    7,879.49x = 10,873.28 × 4,895.27
  4. Step 4: Simplify right side
    7,879.49x = 53,227,616.91
  5. Step 5: Solve for x
    x = 53,227,616.91/7,879.49
  6. Step 6: Final answer
    x = 6,755.21

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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.