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Finding the Fourth Proportional to 3,728.52, 5,589.54 and 1,535.73

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Solution

The fourth proportional to 3,728.52, 5,589.54 and 1,535.73 is: 2,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.52 : 5,589.54 = 1,535.73 : x
  2. Step 2: Convert to fraction form
    3,728.52/5,589.54 = 1,535.73/x
  3. Step 3: Cross multiply
    3,728.52x = 5,589.54 × 1,535.73
  4. Step 4: Simplify right side
    3,728.52x = 8,584,024.26
  5. Step 5: Solve for x
    x = 8,584,024.26/3,728.52
  6. Step 6: Final answer
    x = 2,302.26

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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.