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Finding the Fourth Proportional to 3,934.02, 5,905.13 and 1,744.29

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Solution

The fourth proportional to 3,934.02, 5,905.13 and 1,744.29 is: 2,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.02 : 5,905.13 = 1,744.29 : x
  2. Step 2: Convert to fraction form
    3,934.02/5,905.13 = 1,744.29/x
  3. Step 3: Cross multiply
    3,934.02x = 5,905.13 × 1,744.29
  4. Step 4: Simplify right side
    3,934.02x = 10,300,259.21
  5. Step 5: Solve for x
    x = 10,300,259.21/3,934.02
  6. Step 6: Final answer
    x = 2,618.25

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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.