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Finding the Fourth Proportional to 58,279.67, 87,362.77 and 37,153.79

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Solution

The fourth proportional to 58,279.67, 87,362.77 and 37,153.79 is: 55,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,279.67 : 87,362.77 = 37,153.79 : x
  2. Step 2: Convert to fraction form
    58,279.67/87,362.77 = 37,153.79/x
  3. Step 3: Cross multiply
    58,279.67x = 87,362.77 × 37,153.79
  4. Step 4: Simplify right side
    58,279.67x = 3,245,858,010.40
  5. Step 5: Solve for x
    x = 3,245,858,010.40/58,279.67
  6. Step 6: Final answer
    x = 55,694.52

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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.