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Finding the Fourth Proportional to 45,863.82, 68,701.77 and 27,087.01

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Solution

The fourth proportional to 45,863.82, 68,701.77 and 27,087.01 is: 40,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863.82 : 68,701.77 = 27,087.01 : x
  2. Step 2: Convert to fraction form
    45,863.82/68,701.77 = 27,087.01/x
  3. Step 3: Cross multiply
    45,863.82x = 68,701.77 × 27,087.01
  4. Step 4: Simplify right side
    45,863.82x = 1,860,925,359.25
  5. Step 5: Solve for x
    x = 1,860,925,359.25/45,863.82
  6. Step 6: Final answer
    x = 40,575.02

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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.