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Finding the Fourth Proportional to 59,951.75, 89,896.77 and 31,887.05

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Solution

The fourth proportional to 59,951.75, 89,896.77 and 31,887.05 is: 47,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,951.75 : 89,896.77 = 31,887.05 : x
  2. Step 2: Convert to fraction form
    59,951.75/89,896.77 = 31,887.05/x
  3. Step 3: Cross multiply
    59,951.75x = 89,896.77 × 31,887.05
  4. Step 4: Simplify right side
    59,951.75x = 2,866,542,350.34
  5. Step 5: Solve for x
    x = 2,866,542,350.34/59,951.75
  6. Step 6: Final answer
    x = 47,814.16

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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.