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Finding the Fourth Proportional to 3,362.97, 4,639.62 and 2,480.88

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Solution

The fourth proportional to 3,362.97, 4,639.62 and 2,480.88 is: 3,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.97 : 4,639.62 = 2,480.88 : x
  2. Step 2: Convert to fraction form
    3,362.97/4,639.62 = 2,480.88/x
  3. Step 3: Cross multiply
    3,362.97x = 4,639.62 × 2,480.88
  4. Step 4: Simplify right side
    3,362.97x = 11,510,340.47
  5. Step 5: Solve for x
    x = 11,510,340.47/3,362.97
  6. Step 6: Final answer
    x = 3,422.67

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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.