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Finding the Fourth Proportional to 21,773.73, 32,675.13 and 7,922.73

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Solution

The fourth proportional to 21,773.73, 32,675.13 and 7,922.73 is: 11,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,773.73 : 32,675.13 = 7,922.73 : x
  2. Step 2: Convert to fraction form
    21,773.73/32,675.13 = 7,922.73/x
  3. Step 3: Cross multiply
    21,773.73x = 32,675.13 × 7,922.73
  4. Step 4: Simplify right side
    21,773.73x = 258,876,232.70
  5. Step 5: Solve for x
    x = 258,876,232.70/21,773.73
  6. Step 6: Final answer
    x = 11,889.38

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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.