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Finding the Fourth Proportional to 66,700.04, 100,013.10 and 27,284.82

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Solution

The fourth proportional to 66,700.04, 100,013.10 and 27,284.82 is: 40,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,700.04 : 100,013.10 = 27,284.82 : x
  2. Step 2: Convert to fraction form
    66,700.04/100,013.10 = 27,284.82/x
  3. Step 3: Cross multiply
    66,700.04x = 100,013.10 × 27,284.82
  4. Step 4: Simplify right side
    66,700.04x = 2,728,839,431.14
  5. Step 5: Solve for x
    x = 2,728,839,431.14/66,700.04
  6. Step 6: Final answer
    x = 40,912.11

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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.