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Finding the Fourth Proportional to 55,993.83, 84,023.55 and 20,958.09

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Solution

The fourth proportional to 55,993.83, 84,023.55 and 20,958.09 is: 31,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,993.83 : 84,023.55 = 20,958.09 : x
  2. Step 2: Convert to fraction form
    55,993.83/84,023.55 = 20,958.09/x
  3. Step 3: Cross multiply
    55,993.83x = 84,023.55 × 20,958.09
  4. Step 4: Simplify right side
    55,993.83x = 1,760,973,123.02
  5. Step 5: Solve for x
    x = 1,760,973,123.02/55,993.83
  6. Step 6: Final answer
    x = 31,449.41

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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.