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Finding the Fourth Proportional to 2,041.04, 3,061.97 and 742.48

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Solution

The fourth proportional to 2,041.04, 3,061.97 and 742.48 is: 1,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.04 : 3,061.97 = 742.48 : x
  2. Step 2: Convert to fraction form
    2,041.04/3,061.97 = 742.48/x
  3. Step 3: Cross multiply
    2,041.04x = 3,061.97 × 742.48
  4. Step 4: Simplify right side
    2,041.04x = 2,273,451.49
  5. Step 5: Solve for x
    x = 2,273,451.49/2,041.04
  6. Step 6: Final answer
    x = 1,113.87

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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.