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Finding the Fourth Proportional to 25,692.48, 38,499.84 and 19,086.84

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Solution

The fourth proportional to 25,692.48, 38,499.84 and 19,086.84 is: 28,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.48 : 38,499.84 = 19,086.84 : x
  2. Step 2: Convert to fraction form
    25,692.48/38,499.84 = 19,086.84/x
  3. Step 3: Cross multiply
    25,692.48x = 38,499.84 × 19,086.84
  4. Step 4: Simplify right side
    25,692.48x = 734,840,286.11
  5. Step 5: Solve for x
    x = 734,840,286.11/25,692.48
  6. Step 6: Final answer
    x = 28,601.38

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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.