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Finding the Fourth Proportional to 22,393.84, 33,447.46 and 20,282.32

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Solution

The fourth proportional to 22,393.84, 33,447.46 and 20,282.32 is: 30,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.84 : 33,447.46 = 20,282.32 : x
  2. Step 2: Convert to fraction form
    22,393.84/33,447.46 = 20,282.32/x
  3. Step 3: Cross multiply
    22,393.84x = 33,447.46 × 20,282.32
  4. Step 4: Simplify right side
    22,393.84x = 678,392,086.91
  5. Step 5: Solve for x
    x = 678,392,086.91/22,393.84
  6. Step 6: Final answer
    x = 30,293.69

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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.