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Finding the Fourth Proportional to 21,794.92, 32,692.32 and 5,998.78

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Solution

The fourth proportional to 21,794.92, 32,692.32 and 5,998.78 is: 8,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.92 : 32,692.32 = 5,998.78 : x
  2. Step 2: Convert to fraction form
    21,794.92/32,692.32 = 5,998.78/x
  3. Step 3: Cross multiply
    21,794.92x = 32,692.32 × 5,998.78
  4. Step 4: Simplify right side
    21,794.92x = 196,114,035.37
  5. Step 5: Solve for x
    x = 196,114,035.37/21,794.92
  6. Step 6: Final answer
    x = 8,998.15

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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.