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Finding the Fourth Proportional to 75,906.87, 113,780.12 and 25,292.21

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Solution

The fourth proportional to 75,906.87, 113,780.12 and 25,292.21 is: 37,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,906.87 : 113,780.12 = 25,292.21 : x
  2. Step 2: Convert to fraction form
    75,906.87/113,780.12 = 25,292.21/x
  3. Step 3: Cross multiply
    75,906.87x = 113,780.12 × 25,292.21
  4. Step 4: Simplify right side
    75,906.87x = 2,877,749,993.50
  5. Step 5: Solve for x
    x = 2,877,749,993.50/75,906.87
  6. Step 6: Final answer
    x = 37,911.59

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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.