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Finding the Fourth Proportional to 3,618.54, 4,993.65 and 2,046.96

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Solution

The fourth proportional to 3,618.54, 4,993.65 and 2,046.96 is: 2,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.54 : 4,993.65 = 2,046.96 : x
  2. Step 2: Convert to fraction form
    3,618.54/4,993.65 = 2,046.96/x
  3. Step 3: Cross multiply
    3,618.54x = 4,993.65 × 2,046.96
  4. Step 4: Simplify right side
    3,618.54x = 10,221,801.80
  5. Step 5: Solve for x
    x = 10,221,801.80/3,618.54
  6. Step 6: Final answer
    x = 2,824.84

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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.