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Finding the Fourth Proportional to 27,012.97, 40,523.50 and 9,479.71

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Solution

The fourth proportional to 27,012.97, 40,523.50 and 9,479.71 is: 14,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.97 : 40,523.50 = 9,479.71 : x
  2. Step 2: Convert to fraction form
    27,012.97/40,523.50 = 9,479.71/x
  3. Step 3: Cross multiply
    27,012.97x = 40,523.50 × 9,479.71
  4. Step 4: Simplify right side
    27,012.97x = 384,150,938.73
  5. Step 5: Solve for x
    x = 384,150,938.73/27,012.97
  6. Step 6: Final answer
    x = 14,220.98

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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.