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Finding the Fourth Proportional to 61,965.77, 85,505.82 and 35,102.52

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Solution

The fourth proportional to 61,965.77, 85,505.82 and 35,102.52 is: 48,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,965.77 : 85,505.82 = 35,102.52 : x
  2. Step 2: Convert to fraction form
    61,965.77/85,505.82 = 35,102.52/x
  3. Step 3: Cross multiply
    61,965.77x = 85,505.82 × 35,102.52
  4. Step 4: Simplify right side
    61,965.77x = 3,001,469,581.15
  5. Step 5: Solve for x
    x = 3,001,469,581.15/61,965.77
  6. Step 6: Final answer
    x = 48,437.55

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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.