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Finding the Fourth Proportional to 23,167.71, 34,760.97 and 8,378.12

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Solution

The fourth proportional to 23,167.71, 34,760.97 and 8,378.12 is: 12,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.71 : 34,760.97 = 8,378.12 : x
  2. Step 2: Convert to fraction form
    23,167.71/34,760.97 = 8,378.12/x
  3. Step 3: Cross multiply
    23,167.71x = 34,760.97 × 8,378.12
  4. Step 4: Simplify right side
    23,167.71x = 291,231,404.17
  5. Step 5: Solve for x
    x = 291,231,404.17/23,167.71
  6. Step 6: Final answer
    x = 12,570.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.