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Finding the Fourth Proportional to 16,568.64, 22,865.04 and 9,015.12

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Solution

The fourth proportional to 16,568.64, 22,865.04 and 9,015.12 is: 12,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,568.64 : 22,865.04 = 9,015.12 : x
  2. Step 2: Convert to fraction form
    16,568.64/22,865.04 = 9,015.12/x
  3. Step 3: Cross multiply
    16,568.64x = 22,865.04 × 9,015.12
  4. Step 4: Simplify right side
    16,568.64x = 206,131,079.40
  5. Step 5: Solve for x
    x = 206,131,079.40/16,568.64
  6. Step 6: Final answer
    x = 12,441.04

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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.