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Finding the Fourth Proportional to 22,297.80, 33,446.70 and 20,001.45

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Solution

The fourth proportional to 22,297.80, 33,446.70 and 20,001.45 is: 30,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,297.80 : 33,446.70 = 20,001.45 : x
  2. Step 2: Convert to fraction form
    22,297.80/33,446.70 = 20,001.45/x
  3. Step 3: Cross multiply
    22,297.80x = 33,446.70 × 20,001.45
  4. Step 4: Simplify right side
    22,297.80x = 668,982,497.72
  5. Step 5: Solve for x
    x = 668,982,497.72/22,297.80
  6. Step 6: Final answer
    x = 30,002.18

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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.