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Finding the Fourth Proportional to 3,352.60, 5,028.90 and 2,113.30

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Solution

The fourth proportional to 3,352.60, 5,028.90 and 2,113.30 is: 3,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.60 : 5,028.90 = 2,113.30 : x
  2. Step 2: Convert to fraction form
    3,352.60/5,028.90 = 2,113.30/x
  3. Step 3: Cross multiply
    3,352.60x = 5,028.90 × 2,113.30
  4. Step 4: Simplify right side
    3,352.60x = 10,627,574.37
  5. Step 5: Solve for x
    x = 10,627,574.37/3,352.60
  6. Step 6: Final answer
    x = 3,169.95

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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.