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Finding the Fourth Proportional to 3,199.74, 4,799.97 and 1,350.51

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Solution

The fourth proportional to 3,199.74, 4,799.97 and 1,350.51 is: 2,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.74 : 4,799.97 = 1,350.51 : x
  2. Step 2: Convert to fraction form
    3,199.74/4,799.97 = 1,350.51/x
  3. Step 3: Cross multiply
    3,199.74x = 4,799.97 × 1,350.51
  4. Step 4: Simplify right side
    3,199.74x = 6,482,407.48
  5. Step 5: Solve for x
    x = 6,482,407.48/3,199.74
  6. Step 6: Final answer
    x = 2,025.92

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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.