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Finding the Fourth Proportional to 22,611.91, 33,753.18 and 20,944.33

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Solution

The fourth proportional to 22,611.91, 33,753.18 and 20,944.33 is: 31,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.91 : 33,753.18 = 20,944.33 : x
  2. Step 2: Convert to fraction form
    22,611.91/33,753.18 = 20,944.33/x
  3. Step 3: Cross multiply
    22,611.91x = 33,753.18 × 20,944.33
  4. Step 4: Simplify right side
    22,611.91x = 706,937,740.47
  5. Step 5: Solve for x
    x = 706,937,740.47/22,611.91
  6. Step 6: Final answer
    x = 31,263.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.