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Finding the Fourth Proportional to 66,467.98, 99,548.88 and 33,084.64

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Solution

The fourth proportional to 66,467.98, 99,548.88 and 33,084.64 is: 49,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.98 : 99,548.88 = 33,084.64 : x
  2. Step 2: Convert to fraction form
    66,467.98/99,548.88 = 33,084.64/x
  3. Step 3: Cross multiply
    66,467.98x = 99,548.88 × 33,084.64
  4. Step 4: Simplify right side
    66,467.98x = 3,293,538,857.20
  5. Step 5: Solve for x
    x = 3,293,538,857.20/66,467.98
  6. Step 6: Final answer
    x = 49,550.76

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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.