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Finding the Fourth Proportional to 3,693.70, 5,541.90 and 1,744.44

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Solution

The fourth proportional to 3,693.70, 5,541.90 and 1,744.44 is: 2,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.70 : 5,541.90 = 1,744.44 : x
  2. Step 2: Convert to fraction form
    3,693.70/5,541.90 = 1,744.44/x
  3. Step 3: Cross multiply
    3,693.70x = 5,541.90 × 1,744.44
  4. Step 4: Simplify right side
    3,693.70x = 9,667,512.04
  5. Step 5: Solve for x
    x = 9,667,512.04/3,693.70
  6. Step 6: Final answer
    x = 2,617.30

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1.5x scale

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.