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Finding the Fourth Proportional to 76,551.75, 114,846.46 and 26,632.28

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Solution

The fourth proportional to 76,551.75, 114,846.46 and 26,632.28 is: 39,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,551.75 : 114,846.46 = 26,632.28 : x
  2. Step 2: Convert to fraction form
    76,551.75/114,846.46 = 26,632.28/x
  3. Step 3: Cross multiply
    76,551.75x = 114,846.46 × 26,632.28
  4. Step 4: Simplify right side
    76,551.75x = 3,058,622,505.50
  5. Step 5: Solve for x
    x = 3,058,622,505.50/76,551.75
  6. Step 6: Final answer
    x = 39,954.97

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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.