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Finding the Fourth Proportional to 3,630.76, 5,447.23 and 1,550.95

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Solution

The fourth proportional to 3,630.76, 5,447.23 and 1,550.95 is: 2,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.76 : 5,447.23 = 1,550.95 : x
  2. Step 2: Convert to fraction form
    3,630.76/5,447.23 = 1,550.95/x
  3. Step 3: Cross multiply
    3,630.76x = 5,447.23 × 1,550.95
  4. Step 4: Simplify right side
    3,630.76x = 8,448,363.87
  5. Step 5: Solve for x
    x = 8,448,363.87/3,630.76
  6. Step 6: Final answer
    x = 2,326.89

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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.