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Finding the Fourth Proportional to 3,494.76, 4,825.02 and 2,169.88

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Solution

The fourth proportional to 3,494.76, 4,825.02 and 2,169.88 is: 2,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.76 : 4,825.02 = 2,169.88 : x
  2. Step 2: Convert to fraction form
    3,494.76/4,825.02 = 2,169.88/x
  3. Step 3: Cross multiply
    3,494.76x = 4,825.02 × 2,169.88
  4. Step 4: Simplify right side
    3,494.76x = 10,469,714.40
  5. Step 5: Solve for x
    x = 10,469,714.40/3,494.76
  6. Step 6: Final answer
    x = 2,995.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.