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Finding the Fourth Proportional to 18,466.98, 27,700.46 and 14,751.81

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Solution

The fourth proportional to 18,466.98, 27,700.46 and 14,751.81 is: 22,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.98 : 27,700.46 = 14,751.81 : x
  2. Step 2: Convert to fraction form
    18,466.98/27,700.46 = 14,751.81/x
  3. Step 3: Cross multiply
    18,466.98x = 27,700.46 × 14,751.81
  4. Step 4: Simplify right side
    18,466.98x = 408,632,063.59
  5. Step 5: Solve for x
    x = 408,632,063.59/18,466.98
  6. Step 6: Final answer
    x = 22,127.71

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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.