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Finding the Fourth Proportional to 43,888.68, 65,794.14 and 32,781.96

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Solution

The fourth proportional to 43,888.68, 65,794.14 and 32,781.96 is: 49,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,888.68 : 65,794.14 = 32,781.96 : x
  2. Step 2: Convert to fraction form
    43,888.68/65,794.14 = 32,781.96/x
  3. Step 3: Cross multiply
    43,888.68x = 65,794.14 × 32,781.96
  4. Step 4: Simplify right side
    43,888.68x = 2,156,860,865.71
  5. Step 5: Solve for x
    x = 2,156,860,865.71/43,888.68
  6. Step 6: Final answer
    x = 49,143.90

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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.