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Finding the Fourth Proportional to 61,748.28, 85,212.71 and 33,453.97

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Solution

The fourth proportional to 61,748.28, 85,212.71 and 33,453.97 is: 46,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,748.28 : 85,212.71 = 33,453.97 : x
  2. Step 2: Convert to fraction form
    61,748.28/85,212.71 = 33,453.97/x
  3. Step 3: Cross multiply
    61,748.28x = 85,212.71 × 33,453.97
  4. Step 4: Simplify right side
    61,748.28x = 2,850,703,443.96
  5. Step 5: Solve for x
    x = 2,850,703,443.96/61,748.28
  6. Step 6: Final answer
    x = 46,166.52

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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.