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Finding the Fourth Proportional to 58,392.86, 80,582.15 and 31,535.37

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Solution

The fourth proportional to 58,392.86, 80,582.15 and 31,535.37 is: 43,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,392.86 : 80,582.15 = 31,535.37 : x
  2. Step 2: Convert to fraction form
    58,392.86/80,582.15 = 31,535.37/x
  3. Step 3: Cross multiply
    58,392.86x = 80,582.15 × 31,535.37
  4. Step 4: Simplify right side
    58,392.86x = 2,541,187,757.97
  5. Step 5: Solve for x
    x = 2,541,187,757.97/58,392.86
  6. Step 6: Final answer
    x = 43,518.81

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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.