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Finding the Fourth Proportional to 55,793.87, 76,995.86 and 30,301.21

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Solution

The fourth proportional to 55,793.87, 76,995.86 and 30,301.21 is: 41,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.87 : 76,995.86 = 30,301.21 : x
  2. Step 2: Convert to fraction form
    55,793.87/76,995.86 = 30,301.21/x
  3. Step 3: Cross multiply
    55,793.87x = 76,995.86 × 30,301.21
  4. Step 4: Simplify right side
    55,793.87x = 2,333,067,722.99
  5. Step 5: Solve for x
    x = 2,333,067,722.99/55,793.87
  6. Step 6: Final answer
    x = 41,815.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.