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Finding the Fourth Proportional to 64,776.85, 97,193.49 and 22,687.15

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Solution

The fourth proportional to 64,776.85, 97,193.49 and 22,687.15 is: 34,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,776.85 : 97,193.49 = 22,687.15 : x
  2. Step 2: Convert to fraction form
    64,776.85/97,193.49 = 22,687.15/x
  3. Step 3: Cross multiply
    64,776.85x = 97,193.49 × 22,687.15
  4. Step 4: Simplify right side
    64,776.85x = 2,205,043,286.65
  5. Step 5: Solve for x
    x = 2,205,043,286.65/64,776.85
  6. Step 6: Final answer
    x = 34,040.61

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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.