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Finding the Fourth Proportional to 75,062.69, 112,530.44 and 32,910.83

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Solution

The fourth proportional to 75,062.69, 112,530.44 and 32,910.83 is: 49,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.69 : 112,530.44 = 32,910.83 : x
  2. Step 2: Convert to fraction form
    75,062.69/112,530.44 = 32,910.83/x
  3. Step 3: Cross multiply
    75,062.69x = 112,530.44 × 32,910.83
  4. Step 4: Simplify right side
    75,062.69x = 3,703,469,618.01
  5. Step 5: Solve for x
    x = 3,703,469,618.01/75,062.69
  6. Step 6: Final answer
    x = 49,338.36

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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.