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Finding the Fourth Proportional to 1,594.80, 2,393.73 and 865.92

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Solution

The fourth proportional to 1,594.80, 2,393.73 and 865.92 is: 1,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.80 : 2,393.73 = 865.92 : x
  2. Step 2: Convert to fraction form
    1,594.80/2,393.73 = 865.92/x
  3. Step 3: Cross multiply
    1,594.80x = 2,393.73 × 865.92
  4. Step 4: Simplify right side
    1,594.80x = 2,072,778.68
  5. Step 5: Solve for x
    x = 2,072,778.68/1,594.80
  6. Step 6: Final answer
    x = 1,299.71

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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.