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Finding the Fourth Proportional to 18,039.94, 27,062.79 and 5,556.94

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Solution

The fourth proportional to 18,039.94, 27,062.79 and 5,556.94 is: 8,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.94 : 27,062.79 = 5,556.94 : x
  2. Step 2: Convert to fraction form
    18,039.94/27,062.79 = 5,556.94/x
  3. Step 3: Cross multiply
    18,039.94x = 27,062.79 × 5,556.94
  4. Step 4: Simplify right side
    18,039.94x = 150,386,300.26
  5. Step 5: Solve for x
    x = 150,386,300.26/18,039.94
  6. Step 6: Final answer
    x = 8,336.30

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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.