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Finding the Fourth Proportional to 66,801.62, 100,204.05 and 22,429.82

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Solution

The fourth proportional to 66,801.62, 100,204.05 and 22,429.82 is: 33,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,801.62 : 100,204.05 = 22,429.82 : x
  2. Step 2: Convert to fraction form
    66,801.62/100,204.05 = 22,429.82/x
  3. Step 3: Cross multiply
    66,801.62x = 100,204.05 × 22,429.82
  4. Step 4: Simplify right side
    66,801.62x = 2,247,558,804.77
  5. Step 5: Solve for x
    x = 2,247,558,804.77/66,801.62
  6. Step 6: Final answer
    x = 33,645.27

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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.