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Finding the Fourth Proportional to 45,993.88, 68,909.80 and 32,777.92

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Solution

The fourth proportional to 45,993.88, 68,909.80 and 32,777.92 is: 49,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,993.88 : 68,909.80 = 32,777.92 : x
  2. Step 2: Convert to fraction form
    45,993.88/68,909.80 = 32,777.92/x
  3. Step 3: Cross multiply
    45,993.88x = 68,909.80 × 32,777.92
  4. Step 4: Simplify right side
    45,993.88x = 2,258,719,911.62
  5. Step 5: Solve for x
    x = 2,258,719,911.62/45,993.88
  6. Step 6: Final answer
    x = 49,109.14

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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.