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Finding the Fourth Proportional to 45,355.22, 67,985.84 and 32,843.96

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Solution

The fourth proportional to 45,355.22, 67,985.84 and 32,843.96 is: 49,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.22 : 67,985.84 = 32,843.96 : x
  2. Step 2: Convert to fraction form
    45,355.22/67,985.84 = 32,843.96/x
  3. Step 3: Cross multiply
    45,355.22x = 67,985.84 × 32,843.96
  4. Step 4: Simplify right side
    45,355.22x = 2,232,924,209.53
  5. Step 5: Solve for x
    x = 2,232,924,209.53/45,355.22
  6. Step 6: Final answer
    x = 49,231.91

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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.