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Finding the Fourth Proportional to 55,469.58, 83,237.34 and 20,433.84

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Solution

The fourth proportional to 55,469.58, 83,237.34 and 20,433.84 is: 30,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.58 : 83,237.34 = 20,433.84 : x
  2. Step 2: Convert to fraction form
    55,469.58/83,237.34 = 20,433.84/x
  3. Step 3: Cross multiply
    55,469.58x = 83,237.34 × 20,433.84
  4. Step 4: Simplify right side
    55,469.58x = 1,700,858,487.59
  5. Step 5: Solve for x
    x = 1,700,858,487.59/55,469.58
  6. Step 6: Final answer
    x = 30,662.91

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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.