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Finding the Fourth Proportional to 18,452.66, 27,657.32 and 8,571.11

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Solution

The fourth proportional to 18,452.66, 27,657.32 and 8,571.11 is: 12,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.66 : 27,657.32 = 8,571.11 : x
  2. Step 2: Convert to fraction form
    18,452.66/27,657.32 = 8,571.11/x
  3. Step 3: Cross multiply
    18,452.66x = 27,657.32 × 8,571.11
  4. Step 4: Simplify right side
    18,452.66x = 237,053,750.88
  5. Step 5: Solve for x
    x = 237,053,750.88/18,452.66
  6. Step 6: Final answer
    x = 12,846.59

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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.