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Finding the Fourth Proportional to 25,692.25, 38,538.38 and 7,224.25

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Solution

The fourth proportional to 25,692.25, 38,538.38 and 7,224.25 is: 10,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.25 : 38,538.38 = 7,224.25 : x
  2. Step 2: Convert to fraction form
    25,692.25/38,538.38 = 7,224.25/x
  3. Step 3: Cross multiply
    25,692.25x = 38,538.38 × 7,224.25
  4. Step 4: Simplify right side
    25,692.25x = 278,410,891.72
  5. Step 5: Solve for x
    x = 278,410,891.72/25,692.25
  6. Step 6: Final answer
    x = 10,836.38

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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.