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Finding the Fourth Proportional to 36,653.82, 54,979.65 and 10,358.12

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Solution

The fourth proportional to 36,653.82, 54,979.65 and 10,358.12 is: 15,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.82 : 54,979.65 = 10,358.12 : x
  2. Step 2: Convert to fraction form
    36,653.82/54,979.65 = 10,358.12/x
  3. Step 3: Cross multiply
    36,653.82x = 54,979.65 × 10,358.12
  4. Step 4: Simplify right side
    36,653.82x = 569,485,537.36
  5. Step 5: Solve for x
    x = 569,485,537.36/36,653.82
  6. Step 6: Final answer
    x = 15,536.87

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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.