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Finding the Fourth Proportional to 75,992.15, 113,990.17 and 36,001.77

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Solution

The fourth proportional to 75,992.15, 113,990.17 and 36,001.77 is: 54,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.15 : 113,990.17 = 36,001.77 : x
  2. Step 2: Convert to fraction form
    75,992.15/113,990.17 = 36,001.77/x
  3. Step 3: Cross multiply
    75,992.15x = 113,990.17 × 36,001.77
  4. Step 4: Simplify right side
    75,992.15x = 4,103,847,584.52
  5. Step 5: Solve for x
    x = 4,103,847,584.52/75,992.15
  6. Step 6: Final answer
    x = 54,003.57

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1.5x scale

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.