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Finding the Fourth Proportional to 18,358.14, 27,537.24 and 7,267.44

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Solution

The fourth proportional to 18,358.14, 27,537.24 and 7,267.44 is: 10,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.14 : 27,537.24 = 7,267.44 : x
  2. Step 2: Convert to fraction form
    18,358.14/27,537.24 = 7,267.44/x
  3. Step 3: Cross multiply
    18,358.14x = 27,537.24 × 7,267.44
  4. Step 4: Simplify right side
    18,358.14x = 200,125,239.47
  5. Step 5: Solve for x
    x = 200,125,239.47/18,358.14
  6. Step 6: Final answer
    x = 10,901.17

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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.