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Finding the Fourth Proportional to 58,879.39, 81,251.82 and 33,388.08

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Solution

The fourth proportional to 58,879.39, 81,251.82 and 33,388.08 is: 46,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,879.39 : 81,251.82 = 33,388.08 : x
  2. Step 2: Convert to fraction form
    58,879.39/81,251.82 = 33,388.08/x
  3. Step 3: Cross multiply
    58,879.39x = 81,251.82 × 33,388.08
  4. Step 4: Simplify right side
    58,879.39x = 2,712,842,266.31
  5. Step 5: Solve for x
    x = 2,712,842,266.31/58,879.39
  6. Step 6: Final answer
    x = 46,074.56

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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.