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Finding the Fourth Proportional to 17,249.20, 23,803.80 and 9,797.20

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Solution

The fourth proportional to 17,249.20, 23,803.80 and 9,797.20 is: 13,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,249.20 : 23,803.80 = 9,797.20 : x
  2. Step 2: Convert to fraction form
    17,249.20/23,803.80 = 9,797.20/x
  3. Step 3: Cross multiply
    17,249.20x = 23,803.80 × 9,797.20
  4. Step 4: Simplify right side
    17,249.20x = 233,210,589.36
  5. Step 5: Solve for x
    x = 233,210,589.36/17,249.20
  6. Step 6: Final answer
    x = 13,520.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.