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Finding the Fourth Proportional to 16,571.68, 22,869.34 and 9,018.42

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Solution

The fourth proportional to 16,571.68, 22,869.34 and 9,018.42 is: 12,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,571.68 : 22,869.34 = 9,018.42 : x
  2. Step 2: Convert to fraction form
    16,571.68/22,869.34 = 9,018.42/x
  3. Step 3: Cross multiply
    16,571.68x = 22,869.34 × 9,018.42
  4. Step 4: Simplify right side
    16,571.68x = 206,245,313.24
  5. Step 5: Solve for x
    x = 206,245,313.24/16,571.68
  6. Step 6: Final answer
    x = 12,445.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.