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Finding the Fourth Proportional to 3,429.93, 5,144.94 and 832.89

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Solution

The fourth proportional to 3,429.93, 5,144.94 and 832.89 is: 1,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.93 : 5,144.94 = 832.89 : x
  2. Step 2: Convert to fraction form
    3,429.93/5,144.94 = 832.89/x
  3. Step 3: Cross multiply
    3,429.93x = 5,144.94 × 832.89
  4. Step 4: Simplify right side
    3,429.93x = 4,285,169.08
  5. Step 5: Solve for x
    x = 4,285,169.08/3,429.93
  6. Step 6: Final answer
    x = 1,249.35

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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.