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Finding the Fourth Proportional to 45,939.48, 68,745.06 and 36,010.50

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Solution

The fourth proportional to 45,939.48, 68,745.06 and 36,010.50 is: 53,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,939.48 : 68,745.06 = 36,010.50 : x
  2. Step 2: Convert to fraction form
    45,939.48/68,745.06 = 36,010.50/x
  3. Step 3: Cross multiply
    45,939.48x = 68,745.06 × 36,010.50
  4. Step 4: Simplify right side
    45,939.48x = 2,475,543,983.13
  5. Step 5: Solve for x
    x = 2,475,543,983.13/45,939.48
  6. Step 6: Final answer
    x = 53,887.07

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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.