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Finding the Fourth Proportional to 79,635.64, 119,464.44 and 27,031

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Solution

The fourth proportional to 79,635.64, 119,464.44 and 27,031 is: 40,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,635.64 : 119,464.44 = 27,031 : x
  2. Step 2: Convert to fraction form
    79,635.64/119,464.44 = 27,031/x
  3. Step 3: Cross multiply
    79,635.64x = 119,464.44 × 27,031
  4. Step 4: Simplify right side
    79,635.64x = 3,229,243,277.64
  5. Step 5: Solve for x
    x = 3,229,243,277.64/79,635.64
  6. Step 6: Final answer
    x = 40,550.23

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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.