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Finding the Fourth Proportional to 18,299.82, 27,425.12 and 7,203.53

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Solution

The fourth proportional to 18,299.82, 27,425.12 and 7,203.53 is: 10,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.82 : 27,425.12 = 7,203.53 : x
  2. Step 2: Convert to fraction form
    18,299.82/27,425.12 = 7,203.53/x
  3. Step 3: Cross multiply
    18,299.82x = 27,425.12 × 7,203.53
  4. Step 4: Simplify right side
    18,299.82x = 197,557,707.22
  5. Step 5: Solve for x
    x = 197,557,707.22/18,299.82
  6. Step 6: Final answer
    x = 10,795.61

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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.