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Finding the Fourth Proportional to 8,993.54, 13,496.39 and 3,150.20

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Solution

The fourth proportional to 8,993.54, 13,496.39 and 3,150.20 is: 4,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.54 : 13,496.39 = 3,150.20 : x
  2. Step 2: Convert to fraction form
    8,993.54/13,496.39 = 3,150.20/x
  3. Step 3: Cross multiply
    8,993.54x = 13,496.39 × 3,150.20
  4. Step 4: Simplify right side
    8,993.54x = 42,516,244.55
  5. Step 5: Solve for x
    x = 42,516,244.55/8,993.54
  6. Step 6: Final answer
    x = 4,727.42

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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.