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Finding the Fourth Proportional to 62,704.08, 94,069.08 and 21,150

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Solution

The fourth proportional to 62,704.08, 94,069.08 and 21,150 is: 31,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,704.08 : 94,069.08 = 21,150 : x
  2. Step 2: Convert to fraction form
    62,704.08/94,069.08 = 21,150/x
  3. Step 3: Cross multiply
    62,704.08x = 94,069.08 × 21,150
  4. Step 4: Simplify right side
    62,704.08x = 1,989,561,042
  5. Step 5: Solve for x
    x = 1,989,561,042/62,704.08
  6. Step 6: Final answer
    x = 31,729.37

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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.