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Finding the Fourth Proportional to 75,245.96, 112,883.77 and 27,861.47

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Solution

The fourth proportional to 75,245.96, 112,883.77 and 27,861.47 is: 41,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,245.96 : 112,883.77 = 27,861.47 : x
  2. Step 2: Convert to fraction form
    75,245.96/112,883.77 = 27,861.47/x
  3. Step 3: Cross multiply
    75,245.96x = 112,883.77 × 27,861.47
  4. Step 4: Simplify right side
    75,245.96x = 3,145,107,206.92
  5. Step 5: Solve for x
    x = 3,145,107,206.92/75,245.96
  6. Step 6: Final answer
    x = 41,797.69

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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.