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Finding the Fourth Proportional to 17,025.71, 25,469.87 and 15,253.20

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Solution

The fourth proportional to 17,025.71, 25,469.87 and 15,253.20 is: 22,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,025.71 : 25,469.87 = 15,253.20 : x
  2. Step 2: Convert to fraction form
    17,025.71/25,469.87 = 15,253.20/x
  3. Step 3: Cross multiply
    17,025.71x = 25,469.87 × 15,253.20
  4. Step 4: Simplify right side
    17,025.71x = 388,496,944.82
  5. Step 5: Solve for x
    x = 388,496,944.82/17,025.71
  6. Step 6: Final answer
    x = 22,818.26

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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.