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Finding the Fourth Proportional to 3,934.54, 5,901.79 and 1,012.84

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Solution

The fourth proportional to 3,934.54, 5,901.79 and 1,012.84 is: 1,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.54 : 5,901.79 = 1,012.84 : x
  2. Step 2: Convert to fraction form
    3,934.54/5,901.79 = 1,012.84/x
  3. Step 3: Cross multiply
    3,934.54x = 5,901.79 × 1,012.84
  4. Step 4: Simplify right side
    3,934.54x = 5,977,568.98
  5. Step 5: Solve for x
    x = 5,977,568.98/3,934.54
  6. Step 6: Final answer
    x = 1,519.25

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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.