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Finding the Fourth Proportional to 58,771.31, 81,101.93 and 33,279.07

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Solution

The fourth proportional to 58,771.31, 81,101.93 and 33,279.07 is: 45,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,771.31 : 81,101.93 = 33,279.07 : x
  2. Step 2: Convert to fraction form
    58,771.31/81,101.93 = 33,279.07/x
  3. Step 3: Cross multiply
    58,771.31x = 81,101.93 × 33,279.07
  4. Step 4: Simplify right side
    58,771.31x = 2,698,996,739.32
  5. Step 5: Solve for x
    x = 2,698,996,739.32/58,771.31
  6. Step 6: Final answer
    x = 45,923.71

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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.