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Finding the Fourth Proportional to 18,092.16, 27,139.05 and 4,944.24

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Solution

The fourth proportional to 18,092.16, 27,139.05 and 4,944.24 is: 7,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.16 : 27,139.05 = 4,944.24 : x
  2. Step 2: Convert to fraction form
    18,092.16/27,139.05 = 4,944.24/x
  3. Step 3: Cross multiply
    18,092.16x = 27,139.05 × 4,944.24
  4. Step 4: Simplify right side
    18,092.16x = 134,181,976.57
  5. Step 5: Solve for x
    x = 134,181,976.57/18,092.16
  6. Step 6: Final answer
    x = 7,416.58

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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.