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Finding the Fourth Proportional to 61,453.38, 84,805.72 and 34,596.08

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Solution

The fourth proportional to 61,453.38, 84,805.72 and 34,596.08 is: 47,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,453.38 : 84,805.72 = 34,596.08 : x
  2. Step 2: Convert to fraction form
    61,453.38/84,805.72 = 34,596.08/x
  3. Step 3: Cross multiply
    61,453.38x = 84,805.72 × 34,596.08
  4. Step 4: Simplify right side
    61,453.38x = 2,933,945,473.58
  5. Step 5: Solve for x
    x = 2,933,945,473.58/61,453.38
  6. Step 6: Final answer
    x = 47,742.62

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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.