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Finding the Fourth Proportional to 18,449.96, 27,557.25 and 16,692.24

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Solution

The fourth proportional to 18,449.96, 27,557.25 and 16,692.24 is: 24,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.96 : 27,557.25 = 16,692.24 : x
  2. Step 2: Convert to fraction form
    18,449.96/27,557.25 = 16,692.24/x
  3. Step 3: Cross multiply
    18,449.96x = 27,557.25 × 16,692.24
  4. Step 4: Simplify right side
    18,449.96x = 459,992,230.74
  5. Step 5: Solve for x
    x = 459,992,230.74/18,449.96
  6. Step 6: Final answer
    x = 24,931.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.