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Finding the Fourth Proportional to 27,508.68, 37,917.72 and 18,553.32

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Solution

The fourth proportional to 27,508.68, 37,917.72 and 18,553.32 is: 25,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.68 : 37,917.72 = 18,553.32 : x
  2. Step 2: Convert to fraction form
    27,508.68/37,917.72 = 18,553.32/x
  3. Step 3: Cross multiply
    27,508.68x = 37,917.72 × 18,553.32
  4. Step 4: Simplify right side
    27,508.68x = 703,499,592.83
  5. Step 5: Solve for x
    x = 703,499,592.83/27,508.68
  6. Step 6: Final answer
    x = 25,573.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.