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Finding the Fourth Proportional to 61,991.82, 85,549.01 and 33,697.50

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Solution

The fourth proportional to 61,991.82, 85,549.01 and 33,697.50 is: 46,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,991.82 : 85,549.01 = 33,697.50 : x
  2. Step 2: Convert to fraction form
    61,991.82/85,549.01 = 33,697.50/x
  3. Step 3: Cross multiply
    61,991.82x = 85,549.01 × 33,697.50
  4. Step 4: Simplify right side
    61,991.82x = 2,882,787,764.48
  5. Step 5: Solve for x
    x = 2,882,787,764.48/61,991.82
  6. Step 6: Final answer
    x = 46,502.71

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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.