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Finding the Fourth Proportional to 51,778.51, 77,745.54 and 29,616.91

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Solution

The fourth proportional to 51,778.51, 77,745.54 and 29,616.91 is: 44,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,778.51 : 77,745.54 = 29,616.91 : x
  2. Step 2: Convert to fraction form
    51,778.51/77,745.54 = 29,616.91/x
  3. Step 3: Cross multiply
    51,778.51x = 77,745.54 × 29,616.91
  4. Step 4: Simplify right side
    51,778.51x = 2,302,582,661.08
  5. Step 5: Solve for x
    x = 2,302,582,661.08/51,778.51
  6. Step 6: Final answer
    x = 44,469.85

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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.