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Finding the Fourth Proportional to 16,568.75, 22,864.18 and 9,015.11

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Solution

The fourth proportional to 16,568.75, 22,864.18 and 9,015.11 is: 12,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,568.75 : 22,864.18 = 9,015.11 : x
  2. Step 2: Convert to fraction form
    16,568.75/22,864.18 = 9,015.11/x
  3. Step 3: Cross multiply
    16,568.75x = 22,864.18 × 9,015.11
  4. Step 4: Simplify right side
    16,568.75x = 206,122,983.44
  5. Step 5: Solve for x
    x = 206,122,983.44/16,568.75
  6. Step 6: Final answer
    x = 12,440.47

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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.