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Finding the Fourth Proportional to 18,472.09, 27,708.51 and 5,992.08

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Solution

The fourth proportional to 18,472.09, 27,708.51 and 5,992.08 is: 8,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.09 : 27,708.51 = 5,992.08 : x
  2. Step 2: Convert to fraction form
    18,472.09/27,708.51 = 5,992.08/x
  3. Step 3: Cross multiply
    18,472.09x = 27,708.51 × 5,992.08
  4. Step 4: Simplify right side
    18,472.09x = 166,031,608.60
  5. Step 5: Solve for x
    x = 166,031,608.60/18,472.09
  6. Step 6: Final answer
    x = 8,988.24

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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.