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Finding the Fourth Proportional to 27,795.34, 41,692.94 and 21,479.42

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Solution

The fourth proportional to 27,795.34, 41,692.94 and 21,479.42 is: 32,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.34 : 41,692.94 = 21,479.42 : x
  2. Step 2: Convert to fraction form
    27,795.34/41,692.94 = 21,479.42/x
  3. Step 3: Cross multiply
    27,795.34x = 41,692.94 × 21,479.42
  4. Step 4: Simplify right side
    27,795.34x = 895,540,169.29
  5. Step 5: Solve for x
    x = 895,540,169.29/27,795.34
  6. Step 6: Final answer
    x = 32,219.08

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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.