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Finding the Fourth Proportional to 16,571.92, 22,869.25 and 9,018.28

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Solution

The fourth proportional to 16,571.92, 22,869.25 and 9,018.28 is: 12,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,571.92 : 22,869.25 = 9,018.28 : x
  2. Step 2: Convert to fraction form
    16,571.92/22,869.25 = 9,018.28/x
  3. Step 3: Cross multiply
    16,571.92x = 22,869.25 × 9,018.28
  4. Step 4: Simplify right side
    16,571.92x = 206,241,185.54
  5. Step 5: Solve for x
    x = 206,241,185.54/16,571.92
  6. Step 6: Final answer
    x = 12,445.22

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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.