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Finding the Fourth Proportional to 27,007.20, 40,510.80 and 12,244.95

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Solution

The fourth proportional to 27,007.20, 40,510.80 and 12,244.95 is: 18,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007.20 : 40,510.80 = 12,244.95 : x
  2. Step 2: Convert to fraction form
    27,007.20/40,510.80 = 12,244.95/x
  3. Step 3: Cross multiply
    27,007.20x = 40,510.80 × 12,244.95
  4. Step 4: Simplify right side
    27,007.20x = 496,052,720.46
  5. Step 5: Solve for x
    x = 496,052,720.46/27,007.20
  6. Step 6: Final answer
    x = 18,367.43

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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.