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Finding the Fourth Proportional to 17,247.78, 25,871.76 and 6,859.62

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Solution

The fourth proportional to 17,247.78, 25,871.76 and 6,859.62 is: 10,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.78 : 25,871.76 = 6,859.62 : x
  2. Step 2: Convert to fraction form
    17,247.78/25,871.76 = 6,859.62/x
  3. Step 3: Cross multiply
    17,247.78x = 25,871.76 × 6,859.62
  4. Step 4: Simplify right side
    17,247.78x = 177,470,442.33
  5. Step 5: Solve for x
    x = 177,470,442.33/17,247.78
  6. Step 6: Final answer
    x = 10,289.47

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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.