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Finding the Fourth Proportional to 25,795.27, 38,692.91 and 20,633.95

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Solution

The fourth proportional to 25,795.27, 38,692.91 and 20,633.95 is: 30,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.27 : 38,692.91 = 20,633.95 : x
  2. Step 2: Convert to fraction form
    25,795.27/38,692.91 = 20,633.95/x
  3. Step 3: Cross multiply
    25,795.27x = 38,692.91 × 20,633.95
  4. Step 4: Simplify right side
    25,795.27x = 798,387,570.29
  5. Step 5: Solve for x
    x = 798,387,570.29/25,795.27
  6. Step 6: Final answer
    x = 30,950.93

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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.