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Finding the Fourth Proportional to 66,972.52, 100,394.88 and 22,576.36

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Solution

The fourth proportional to 66,972.52, 100,394.88 and 22,576.36 is: 33,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,972.52 : 100,394.88 = 22,576.36 : x
  2. Step 2: Convert to fraction form
    66,972.52/100,394.88 = 22,576.36/x
  3. Step 3: Cross multiply
    66,972.52x = 100,394.88 × 22,576.36
  4. Step 4: Simplify right side
    66,972.52x = 2,266,550,953.04
  5. Step 5: Solve for x
    x = 2,266,550,953.04/66,972.52
  6. Step 6: Final answer
    x = 33,843.00

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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.