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Finding the Fourth Proportional to 17,253.20, 25,822.20 and 12,069.20

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Solution

The fourth proportional to 17,253.20, 25,822.20 and 12,069.20 is: 18,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.20 : 25,822.20 = 12,069.20 : x
  2. Step 2: Convert to fraction form
    17,253.20/25,822.20 = 12,069.20/x
  3. Step 3: Cross multiply
    17,253.20x = 25,822.20 × 12,069.20
  4. Step 4: Simplify right side
    17,253.20x = 311,653,296.24
  5. Step 5: Solve for x
    x = 311,653,296.24/17,253.20
  6. Step 6: Final answer
    x = 18,063.51

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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.