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Finding the Fourth Proportional to 18,273.52, 27,410.40 and 5,793.28

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Solution

The fourth proportional to 18,273.52, 27,410.40 and 5,793.28 is: 8,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.52 : 27,410.40 = 5,793.28 : x
  2. Step 2: Convert to fraction form
    18,273.52/27,410.40 = 5,793.28/x
  3. Step 3: Cross multiply
    18,273.52x = 27,410.40 × 5,793.28
  4. Step 4: Simplify right side
    18,273.52x = 158,796,122.11
  5. Step 5: Solve for x
    x = 158,796,122.11/18,273.52
  6. Step 6: Final answer
    x = 8,689.96

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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.