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Finding the Fourth Proportional to 3,330.82, 4,993.03 and 1,482.18

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Solution

The fourth proportional to 3,330.82, 4,993.03 and 1,482.18 is: 2,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.82 : 4,993.03 = 1,482.18 : x
  2. Step 2: Convert to fraction form
    3,330.82/4,993.03 = 1,482.18/x
  3. Step 3: Cross multiply
    3,330.82x = 4,993.03 × 1,482.18
  4. Step 4: Simplify right side
    3,330.82x = 7,400,569.21
  5. Step 5: Solve for x
    x = 7,400,569.21/3,330.82
  6. Step 6: Final answer
    x = 2,221.85

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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.