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Finding the Fourth Proportional to 17,246.60, 25,869.90 and 15,288.20

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Solution

The fourth proportional to 17,246.60, 25,869.90 and 15,288.20 is: 22,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,246.60 : 25,869.90 = 15,288.20 : x
  2. Step 2: Convert to fraction form
    17,246.60/25,869.90 = 15,288.20/x
  3. Step 3: Cross multiply
    17,246.60x = 25,869.90 × 15,288.20
  4. Step 4: Simplify right side
    17,246.60x = 395,504,205.18
  5. Step 5: Solve for x
    x = 395,504,205.18/17,246.60
  6. Step 6: Final answer
    x = 22,932.30

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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.