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Finding the Fourth Proportional to 2,042.92, 3,064.03 and 581.74

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Solution

The fourth proportional to 2,042.92, 3,064.03 and 581.74 is: 872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.92 : 3,064.03 = 581.74 : x
  2. Step 2: Convert to fraction form
    2,042.92/3,064.03 = 581.74/x
  3. Step 3: Cross multiply
    2,042.92x = 3,064.03 × 581.74
  4. Step 4: Simplify right side
    2,042.92x = 1,782,468.81
  5. Step 5: Solve for x
    x = 1,782,468.81/2,042.92
  6. Step 6: Final answer
    x = 872.51

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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.