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Finding the Fourth Proportional to 17,692.32, 24,424.80 and 13,704.48

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Solution

The fourth proportional to 17,692.32, 24,424.80 and 13,704.48 is: 18,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,692.32 : 24,424.80 = 13,704.48 : x
  2. Step 2: Convert to fraction form
    17,692.32/24,424.80 = 13,704.48/x
  3. Step 3: Cross multiply
    17,692.32x = 24,424.80 × 13,704.48
  4. Step 4: Simplify right side
    17,692.32x = 334,729,183.10
  5. Step 5: Solve for x
    x = 334,729,183.10/17,692.32
  6. Step 6: Final answer
    x = 18,919.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.