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Finding the Fourth Proportional to 36,756, 55,134.54 and 9,054

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Solution

The fourth proportional to 36,756, 55,134.54 and 9,054 is: 13,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756 : 55,134.54 = 9,054 : x
  2. Step 2: Convert to fraction form
    36,756/55,134.54 = 9,054/x
  3. Step 3: Cross multiply
    36,756x = 55,134.54 × 9,054
  4. Step 4: Simplify right side
    36,756x = 499,188,125.16
  5. Step 5: Solve for x
    x = 499,188,125.16/36,756
  6. Step 6: Final answer
    x = 13,581.13

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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.