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Finding the Fourth Proportional to 3,429.94, 5,144.94 and 832.88

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Solution

The fourth proportional to 3,429.94, 5,144.94 and 832.88 is: 1,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.94 : 5,144.94 = 832.88 : x
  2. Step 2: Convert to fraction form
    3,429.94/5,144.94 = 832.88/x
  3. Step 3: Cross multiply
    3,429.94x = 5,144.94 × 832.88
  4. Step 4: Simplify right side
    3,429.94x = 4,285,117.63
  5. Step 5: Solve for x
    x = 4,285,117.63/3,429.94
  6. Step 6: Final answer
    x = 1,249.33

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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.