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Finding the Fourth Proportional to 3,959.48, 5,939.26 and 1,037.81

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Solution

The fourth proportional to 3,959.48, 5,939.26 and 1,037.81 is: 1,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.48 : 5,939.26 = 1,037.81 : x
  2. Step 2: Convert to fraction form
    3,959.48/5,939.26 = 1,037.81/x
  3. Step 3: Cross multiply
    3,959.48x = 5,939.26 × 1,037.81
  4. Step 4: Simplify right side
    3,959.48x = 6,163,835.67
  5. Step 5: Solve for x
    x = 6,163,835.67/3,959.48
  6. Step 6: Final answer
    x = 1,556.73

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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.