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Finding the Fourth Proportional to 62,912.75, 94,383.71 and 21,359.75

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Solution

The fourth proportional to 62,912.75, 94,383.71 and 21,359.75 is: 32,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,912.75 : 94,383.71 = 21,359.75 : x
  2. Step 2: Convert to fraction form
    62,912.75/94,383.71 = 21,359.75/x
  3. Step 3: Cross multiply
    62,912.75x = 94,383.71 × 21,359.75
  4. Step 4: Simplify right side
    62,912.75x = 2,016,012,342.87
  5. Step 5: Solve for x
    x = 2,016,012,342.87/62,912.75
  6. Step 6: Final answer
    x = 32,044.58

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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.