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Finding the Fourth Proportional to 61,853.62, 85,357.65 and 33,558.70

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Solution

The fourth proportional to 61,853.62, 85,357.65 and 33,558.70 is: 46,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.62 : 85,357.65 = 33,558.70 : x
  2. Step 2: Convert to fraction form
    61,853.62/85,357.65 = 33,558.70/x
  3. Step 3: Cross multiply
    61,853.62x = 85,357.65 × 33,558.70
  4. Step 4: Simplify right side
    61,853.62x = 2,864,491,769.06
  5. Step 5: Solve for x
    x = 2,864,491,769.06/61,853.62
  6. Step 6: Final answer
    x = 46,310.82

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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.