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Finding the Fourth Proportional to 55,506.80, 83,260.99 and 18,067.07

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Solution

The fourth proportional to 55,506.80, 83,260.99 and 18,067.07 is: 27,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,506.80 : 83,260.99 = 18,067.07 : x
  2. Step 2: Convert to fraction form
    55,506.80/83,260.99 = 18,067.07/x
  3. Step 3: Cross multiply
    55,506.80x = 83,260.99 × 18,067.07
  4. Step 4: Simplify right side
    55,506.80x = 1,504,282,134.60
  5. Step 5: Solve for x
    x = 1,504,282,134.60/55,506.80
  6. Step 6: Final answer
    x = 27,100.86

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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.