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Finding the Fourth Proportional to 17,811.47, 24,692.23 and 16,863.47

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Solution

The fourth proportional to 17,811.47, 24,692.23 and 16,863.47 is: 23,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.47 : 24,692.23 = 16,863.47 : x
  2. Step 2: Convert to fraction form
    17,811.47/24,692.23 = 16,863.47/x
  3. Step 3: Cross multiply
    17,811.47x = 24,692.23 × 16,863.47
  4. Step 4: Simplify right side
    17,811.47x = 416,396,679.84
  5. Step 5: Solve for x
    x = 416,396,679.84/17,811.47
  6. Step 6: Final answer
    x = 23,378.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.