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Finding the Fourth Proportional to 8,579.97, 11,842.65 and 5,045.54

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Solution

The fourth proportional to 8,579.97, 11,842.65 and 5,045.54 is: 6,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.97 : 11,842.65 = 5,045.54 : x
  2. Step 2: Convert to fraction form
    8,579.97/11,842.65 = 5,045.54/x
  3. Step 3: Cross multiply
    8,579.97x = 11,842.65 × 5,045.54
  4. Step 4: Simplify right side
    8,579.97x = 59,752,505.07
  5. Step 5: Solve for x
    x = 59,752,505.07/8,579.97
  6. Step 6: Final answer
    x = 6,964.19

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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.