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Finding the Fourth Proportional to 36,249.61, 54,373.74 and 9,953.38

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Solution

The fourth proportional to 36,249.61, 54,373.74 and 9,953.38 is: 14,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,249.61 : 54,373.74 = 9,953.38 : x
  2. Step 2: Convert to fraction form
    36,249.61/54,373.74 = 9,953.38/x
  3. Step 3: Cross multiply
    36,249.61x = 54,373.74 × 9,953.38
  4. Step 4: Simplify right side
    36,249.61x = 541,202,496.24
  5. Step 5: Solve for x
    x = 541,202,496.24/36,249.61
  6. Step 6: Final answer
    x = 14,929.88

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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.