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Finding the Fourth Proportional to 75,995.92, 113,993.93 and 19,835.89

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Solution

The fourth proportional to 75,995.92, 113,993.93 and 19,835.89 is: 29,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,995.92 : 113,993.93 = 19,835.89 : x
  2. Step 2: Convert to fraction form
    75,995.92/113,993.93 = 19,835.89/x
  3. Step 3: Cross multiply
    75,995.92x = 113,993.93 × 19,835.89
  4. Step 4: Simplify right side
    75,995.92x = 2,261,170,820.75
  5. Step 5: Solve for x
    x = 2,261,170,820.75/75,995.92
  6. Step 6: Final answer
    x = 29,753.84

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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.