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Finding the Fourth Proportional to 61,073.30, 84,286.08 and 34,221.80

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Solution

The fourth proportional to 61,073.30, 84,286.08 and 34,221.80 is: 47,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,073.30 : 84,286.08 = 34,221.80 : x
  2. Step 2: Convert to fraction form
    61,073.30/84,286.08 = 34,221.80/x
  3. Step 3: Cross multiply
    61,073.30x = 84,286.08 × 34,221.80
  4. Step 4: Simplify right side
    61,073.30x = 2,884,420,951.11
  5. Step 5: Solve for x
    x = 2,884,420,951.11/61,073.30
  6. Step 6: Final answer
    x = 47,228.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.