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Finding the Fourth Proportional to 48,104.60, 72,011.10 and 34,982.60

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Solution

The fourth proportional to 48,104.60, 72,011.10 and 34,982.60 is: 52,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,104.60 : 72,011.10 = 34,982.60 : x
  2. Step 2: Convert to fraction form
    48,104.60/72,011.10 = 34,982.60/x
  3. Step 3: Cross multiply
    48,104.60x = 72,011.10 × 34,982.60
  4. Step 4: Simplify right side
    48,104.60x = 2,519,135,506.86
  5. Step 5: Solve for x
    x = 2,519,135,506.86/48,104.60
  6. Step 6: Final answer
    x = 52,367.87

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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.