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Finding the Fourth Proportional to 36,558, 54,837.30 and 8,856

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Solution

The fourth proportional to 36,558, 54,837.30 and 8,856 is: 13,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558 : 54,837.30 = 8,856 : x
  2. Step 2: Convert to fraction form
    36,558/54,837.30 = 8,856/x
  3. Step 3: Cross multiply
    36,558x = 54,837.30 × 8,856
  4. Step 4: Simplify right side
    36,558x = 485,639,128.80
  5. Step 5: Solve for x
    x = 485,639,128.80/36,558
  6. Step 6: Final answer
    x = 13,284.07

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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.