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Finding the Fourth Proportional to 62,704.80, 94,057.20 and 37,821.60

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Solution

The fourth proportional to 62,704.80, 94,057.20 and 37,821.60 is: 56,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,704.80 : 94,057.20 = 37,821.60 : x
  2. Step 2: Convert to fraction form
    62,704.80/94,057.20 = 37,821.60/x
  3. Step 3: Cross multiply
    62,704.80x = 94,057.20 × 37,821.60
  4. Step 4: Simplify right side
    62,704.80x = 3,557,393,795.52
  5. Step 5: Solve for x
    x = 3,557,393,795.52/62,704.80
  6. Step 6: Final answer
    x = 56,732.40

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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.