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Finding the Fourth Proportional to 16,315.75, 22,516.01 and 8,863.75

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Solution

The fourth proportional to 16,315.75, 22,516.01 and 8,863.75 is: 12,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.75 : 22,516.01 = 8,863.75 : x
  2. Step 2: Convert to fraction form
    16,315.75/22,516.01 = 8,863.75/x
  3. Step 3: Cross multiply
    16,315.75x = 22,516.01 × 8,863.75
  4. Step 4: Simplify right side
    16,315.75x = 199,576,283.64
  5. Step 5: Solve for x
    x = 199,576,283.64/16,315.75
  6. Step 6: Final answer
    x = 12,232.12

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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.