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Finding the Fourth Proportional to 3,934.68, 5,901.86 and 1,337.64

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Solution

The fourth proportional to 3,934.68, 5,901.86 and 1,337.64 is: 2,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.68 : 5,901.86 = 1,337.64 : x
  2. Step 2: Convert to fraction form
    3,934.68/5,901.86 = 1,337.64/x
  3. Step 3: Cross multiply
    3,934.68x = 5,901.86 × 1,337.64
  4. Step 4: Simplify right side
    3,934.68x = 7,894,564.01
  5. Step 5: Solve for x
    x = 7,894,564.01/3,934.68
  6. Step 6: Final answer
    x = 2,006.41

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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.