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Finding the Fourth Proportional to 3,429.56, 5,144.33 and 832.49

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Solution

The fourth proportional to 3,429.56, 5,144.33 and 832.49 is: 1,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.56 : 5,144.33 = 832.49 : x
  2. Step 2: Convert to fraction form
    3,429.56/5,144.33 = 832.49/x
  3. Step 3: Cross multiply
    3,429.56x = 5,144.33 × 832.49
  4. Step 4: Simplify right side
    3,429.56x = 4,282,603.28
  5. Step 5: Solve for x
    x = 4,282,603.28/3,429.56
  6. Step 6: Final answer
    x = 1,248.73

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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.