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Finding the Fourth Proportional to 18,047.52, 27,053.12 and 7,523.37

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Solution

The fourth proportional to 18,047.52, 27,053.12 and 7,523.37 is: 11,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.52 : 27,053.12 = 7,523.37 : x
  2. Step 2: Convert to fraction form
    18,047.52/27,053.12 = 7,523.37/x
  3. Step 3: Cross multiply
    18,047.52x = 27,053.12 × 7,523.37
  4. Step 4: Simplify right side
    18,047.52x = 203,530,695.25
  5. Step 5: Solve for x
    x = 203,530,695.25/18,047.52
  6. Step 6: Final answer
    x = 11,277.49

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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.