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Finding the Fourth Proportional to 3,448.70, 5,169.96 and 2,868.46

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Solution

The fourth proportional to 3,448.70, 5,169.96 and 2,868.46 is: 4,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.70 : 5,169.96 = 2,868.46 : x
  2. Step 2: Convert to fraction form
    3,448.70/5,169.96 = 2,868.46/x
  3. Step 3: Cross multiply
    3,448.70x = 5,169.96 × 2,868.46
  4. Step 4: Simplify right side
    3,448.70x = 14,829,797.61
  5. Step 5: Solve for x
    x = 14,829,797.61/3,448.70
  6. Step 6: Final answer
    x = 4,300.12

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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.