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Finding the Fourth Proportional to 63,257.60, 94,891.80 and 21,704.60

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Solution

The fourth proportional to 63,257.60, 94,891.80 and 21,704.60 is: 32,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,257.60 : 94,891.80 = 21,704.60 : x
  2. Step 2: Convert to fraction form
    63,257.60/94,891.80 = 21,704.60/x
  3. Step 3: Cross multiply
    63,257.60x = 94,891.80 × 21,704.60
  4. Step 4: Simplify right side
    63,257.60x = 2,059,588,562.28
  5. Step 5: Solve for x
    x = 2,059,588,562.28/63,257.60
  6. Step 6: Final answer
    x = 32,558.75

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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.