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Finding the Fourth Proportional to 58,699.45, 87,991.31 and 37,579.41

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Solution

The fourth proportional to 58,699.45, 87,991.31 and 37,579.41 is: 56,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,699.45 : 87,991.31 = 37,579.41 : x
  2. Step 2: Convert to fraction form
    58,699.45/87,991.31 = 37,579.41/x
  3. Step 3: Cross multiply
    58,699.45x = 87,991.31 × 37,579.41
  4. Step 4: Simplify right side
    58,699.45x = 3,306,661,608.88
  5. Step 5: Solve for x
    x = 3,306,661,608.88/58,699.45
  6. Step 6: Final answer
    x = 56,332.07

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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.