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Finding the Fourth Proportional to 21,692.97, 32,538.99 and 6,901.92

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Solution

The fourth proportional to 21,692.97, 32,538.99 and 6,901.92 is: 10,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.97 : 32,538.99 = 6,901.92 : x
  2. Step 2: Convert to fraction form
    21,692.97/32,538.99 = 6,901.92/x
  3. Step 3: Cross multiply
    21,692.97x = 32,538.99 × 6,901.92
  4. Step 4: Simplify right side
    21,692.97x = 224,581,505.86
  5. Step 5: Solve for x
    x = 224,581,505.86/21,692.97
  6. Step 6: Final answer
    x = 10,352.73

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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.