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Finding the Fourth Proportional to 61,951.62, 85,493.40 and 33,657.24

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Solution

The fourth proportional to 61,951.62, 85,493.40 and 33,657.24 is: 46,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,951.62 : 85,493.40 = 33,657.24 : x
  2. Step 2: Convert to fraction form
    61,951.62/85,493.40 = 33,657.24/x
  3. Step 3: Cross multiply
    61,951.62x = 85,493.40 × 33,657.24
  4. Step 4: Simplify right side
    61,951.62x = 2,877,471,882.22
  5. Step 5: Solve for x
    x = 2,877,471,882.22/61,951.62
  6. Step 6: Final answer
    x = 46,447.08

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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.