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Finding the Fourth Proportional to 63,310.60, 94,790.94 and 31,992.76

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Solution

The fourth proportional to 63,310.60, 94,790.94 and 31,992.76 is: 47,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,310.60 : 94,790.94 = 31,992.76 : x
  2. Step 2: Convert to fraction form
    63,310.60/94,790.94 = 31,992.76/x
  3. Step 3: Cross multiply
    63,310.60x = 94,790.94 × 31,992.76
  4. Step 4: Simplify right side
    63,310.60x = 3,032,623,793.59
  5. Step 5: Solve for x
    x = 3,032,623,793.59/63,310.60
  6. Step 6: Final answer
    x = 47,900.73

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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.