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Finding the Fourth Proportional to 17,224.80, 25,837.20 and 8,476.80

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Solution

The fourth proportional to 17,224.80, 25,837.20 and 8,476.80 is: 12,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,224.80 : 25,837.20 = 8,476.80 : x
  2. Step 2: Convert to fraction form
    17,224.80/25,837.20 = 8,476.80/x
  3. Step 3: Cross multiply
    17,224.80x = 25,837.20 × 8,476.80
  4. Step 4: Simplify right side
    17,224.80x = 219,016,776.96
  5. Step 5: Solve for x
    x = 219,016,776.96/17,224.80
  6. Step 6: Final answer
    x = 12,715.20

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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.