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Finding the Fourth Proportional to 17,008.24, 25,510.68 and 5,321.12

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Solution

The fourth proportional to 17,008.24, 25,510.68 and 5,321.12 is: 7,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.24 : 25,510.68 = 5,321.12 : x
  2. Step 2: Convert to fraction form
    17,008.24/25,510.68 = 5,321.12/x
  3. Step 3: Cross multiply
    17,008.24x = 25,510.68 × 5,321.12
  4. Step 4: Simplify right side
    17,008.24x = 135,745,389.56
  5. Step 5: Solve for x
    x = 135,745,389.56/17,008.24
  6. Step 6: Final answer
    x = 7,981.15

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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.