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Finding the Fourth Proportional to 58,608.77, 80,879.99 and 31,752

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Solution

The fourth proportional to 58,608.77, 80,879.99 and 31,752 is: 43,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,608.77 : 80,879.99 = 31,752 : x
  2. Step 2: Convert to fraction form
    58,608.77/80,879.99 = 31,752/x
  3. Step 3: Cross multiply
    58,608.77x = 80,879.99 × 31,752
  4. Step 4: Simplify right side
    58,608.77x = 2,568,101,283.72
  5. Step 5: Solve for x
    x = 2,568,101,283.72/58,608.77
  6. Step 6: Final answer
    x = 43,817.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.