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Finding the Fourth Proportional to 15,189.87, 22,789.04 and 4,660.24

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Solution

The fourth proportional to 15,189.87, 22,789.04 and 4,660.24 is: 6,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.87 : 22,789.04 = 4,660.24 : x
  2. Step 2: Convert to fraction form
    15,189.87/22,789.04 = 4,660.24/x
  3. Step 3: Cross multiply
    15,189.87x = 22,789.04 × 4,660.24
  4. Step 4: Simplify right side
    15,189.87x = 106,202,258.52
  5. Step 5: Solve for x
    x = 106,202,258.52/15,189.87
  6. Step 6: Final answer
    x = 6,991.65

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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.