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Finding the Fourth Proportional to 18,597.43, 27,902.22 and 7,498.41

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Solution

The fourth proportional to 18,597.43, 27,902.22 and 7,498.41 is: 11,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.43 : 27,902.22 = 7,498.41 : x
  2. Step 2: Convert to fraction form
    18,597.43/27,902.22 = 7,498.41/x
  3. Step 3: Cross multiply
    18,597.43x = 27,902.22 × 7,498.41
  4. Step 4: Simplify right side
    18,597.43x = 209,222,285.47
  5. Step 5: Solve for x
    x = 209,222,285.47/18,597.43
  6. Step 6: Final answer
    x = 11,250.06

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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.