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Finding the Fourth Proportional to 18,023.76, 24,692.13 and 17,349.91

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Solution

The fourth proportional to 18,023.76, 24,692.13 and 17,349.91 is: 23,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.76 : 24,692.13 = 17,349.91 : x
  2. Step 2: Convert to fraction form
    18,023.76/24,692.13 = 17,349.91/x
  3. Step 3: Cross multiply
    18,023.76x = 24,692.13 × 17,349.91
  4. Step 4: Simplify right side
    18,023.76x = 428,406,236.54
  5. Step 5: Solve for x
    x = 428,406,236.54/18,023.76
  6. Step 6: Final answer
    x = 23,768.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.