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Finding the Fourth Proportional to 3,433.80, 5,150.70 and 3,263.70

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Solution

The fourth proportional to 3,433.80, 5,150.70 and 3,263.70 is: 4,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.80 : 5,150.70 = 3,263.70 : x
  2. Step 2: Convert to fraction form
    3,433.80/5,150.70 = 3,263.70/x
  3. Step 3: Cross multiply
    3,433.80x = 5,150.70 × 3,263.70
  4. Step 4: Simplify right side
    3,433.80x = 16,810,339.59
  5. Step 5: Solve for x
    x = 16,810,339.59/3,433.80
  6. Step 6: Final answer
    x = 4,895.55

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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.