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Finding the Fourth Proportional to 61,977.73, 85,525.99 and 35,120.56

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Solution

The fourth proportional to 61,977.73, 85,525.99 and 35,120.56 is: 48,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.73 : 85,525.99 = 35,120.56 : x
  2. Step 2: Convert to fraction form
    61,977.73/85,525.99 = 35,120.56/x
  3. Step 3: Cross multiply
    61,977.73x = 85,525.99 × 35,120.56
  4. Step 4: Simplify right side
    61,977.73x = 3,003,720,663.35
  5. Step 5: Solve for x
    x = 3,003,720,663.35/61,977.73
  6. Step 6: Final answer
    x = 48,464.52

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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.