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Finding the Fourth Proportional to 10,727.91, 14,805.38 and 5,948.32

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Solution

The fourth proportional to 10,727.91, 14,805.38 and 5,948.32 is: 8,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.91 : 14,805.38 = 5,948.32 : x
  2. Step 2: Convert to fraction form
    10,727.91/14,805.38 = 5,948.32/x
  3. Step 3: Cross multiply
    10,727.91x = 14,805.38 × 5,948.32
  4. Step 4: Simplify right side
    10,727.91x = 88,067,206.04
  5. Step 5: Solve for x
    x = 88,067,206.04/10,727.91
  6. Step 6: Final answer
    x = 8,209.17

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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.