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Finding the Fourth Proportional to 66,479.82, 99,698.06 and 22,094.66

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Solution

The fourth proportional to 66,479.82, 99,698.06 and 22,094.66 is: 33,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,479.82 : 99,698.06 = 22,094.66 : x
  2. Step 2: Convert to fraction form
    66,479.82/99,698.06 = 22,094.66/x
  3. Step 3: Cross multiply
    66,479.82x = 99,698.06 × 22,094.66
  4. Step 4: Simplify right side
    66,479.82x = 2,202,794,738.36
  5. Step 5: Solve for x
    x = 2,202,794,738.36/66,479.82
  6. Step 6: Final answer
    x = 33,134.79

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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.