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Finding the Fourth Proportional to 17,923.98, 26,885.97 and 7,399.95

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Solution

The fourth proportional to 17,923.98, 26,885.97 and 7,399.95 is: 11,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.98 : 26,885.97 = 7,399.95 : x
  2. Step 2: Convert to fraction form
    17,923.98/26,885.97 = 7,399.95/x
  3. Step 3: Cross multiply
    17,923.98x = 26,885.97 × 7,399.95
  4. Step 4: Simplify right side
    17,923.98x = 198,954,796.70
  5. Step 5: Solve for x
    x = 198,954,796.70/17,923.98
  6. Step 6: Final answer
    x = 11,099.92

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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.