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Finding the Fourth Proportional to 5,991.28, 8,260.68 and 4,869.04

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Solution

The fourth proportional to 5,991.28, 8,260.68 and 4,869.04 is: 6,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.28 : 8,260.68 = 4,869.04 : x
  2. Step 2: Convert to fraction form
    5,991.28/8,260.68 = 4,869.04/x
  3. Step 3: Cross multiply
    5,991.28x = 8,260.68 × 4,869.04
  4. Step 4: Simplify right side
    5,991.28x = 40,221,581.35
  5. Step 5: Solve for x
    x = 40,221,581.35/5,991.28
  6. Step 6: Final answer
    x = 6,713.35

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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.