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Finding the Fourth Proportional to 6,039.65, 9,049.22 and 2,921.13

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Solution

The fourth proportional to 6,039.65, 9,049.22 and 2,921.13 is: 4,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,039.65 : 9,049.22 = 2,921.13 : x
  2. Step 2: Convert to fraction form
    6,039.65/9,049.22 = 2,921.13/x
  3. Step 3: Cross multiply
    6,039.65x = 9,049.22 × 2,921.13
  4. Step 4: Simplify right side
    6,039.65x = 26,433,948.02
  5. Step 5: Solve for x
    x = 26,433,948.02/6,039.65
  6. Step 6: Final answer
    x = 4,376.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.