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Finding the Fourth Proportional to 66,930.66, 100,396.44 and 22,557.33

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Solution

The fourth proportional to 66,930.66, 100,396.44 and 22,557.33 is: 33,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.66 : 100,396.44 = 22,557.33 : x
  2. Step 2: Convert to fraction form
    66,930.66/100,396.44 = 22,557.33/x
  3. Step 3: Cross multiply
    66,930.66x = 100,396.44 × 22,557.33
  4. Step 4: Simplify right side
    66,930.66x = 2,264,675,627.91
  5. Step 5: Solve for x
    x = 2,264,675,627.91/66,930.66
  6. Step 6: Final answer
    x = 33,836.15

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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.