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Finding the Fourth Proportional to 6,721.08, 10,081.14 and 2,041.20

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Solution

The fourth proportional to 6,721.08, 10,081.14 and 2,041.20 is: 3,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.08 : 10,081.14 = 2,041.20 : x
  2. Step 2: Convert to fraction form
    6,721.08/10,081.14 = 2,041.20/x
  3. Step 3: Cross multiply
    6,721.08x = 10,081.14 × 2,041.20
  4. Step 4: Simplify right side
    6,721.08x = 20,577,622.97
  5. Step 5: Solve for x
    x = 20,577,622.97/6,721.08
  6. Step 6: Final answer
    x = 3,061.65

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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.