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Finding the Fourth Proportional to 79,910.96, 119,885.96 and 26,602.83

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Solution

The fourth proportional to 79,910.96, 119,885.96 and 26,602.83 is: 39,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,910.96 : 119,885.96 = 26,602.83 : x
  2. Step 2: Convert to fraction form
    79,910.96/119,885.96 = 26,602.83/x
  3. Step 3: Cross multiply
    79,910.96x = 119,885.96 × 26,602.83
  4. Step 4: Simplify right side
    79,910.96x = 3,189,305,879.77
  5. Step 5: Solve for x
    x = 3,189,305,879.77/79,910.96
  6. Step 6: Final answer
    x = 39,910.75

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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.