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Finding the Fourth Proportional to 67,607.73, 101,380.82 and 36,009.77

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Solution

The fourth proportional to 67,607.73, 101,380.82 and 36,009.77 is: 53,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,607.73 : 101,380.82 = 36,009.77 : x
  2. Step 2: Convert to fraction form
    67,607.73/101,380.82 = 36,009.77/x
  3. Step 3: Cross multiply
    67,607.73x = 101,380.82 × 36,009.77
  4. Step 4: Simplify right side
    67,607.73x = 3,650,699,323.66
  5. Step 5: Solve for x
    x = 3,650,699,323.66/67,607.73
  6. Step 6: Final answer
    x = 53,998.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.