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Finding the Fourth Proportional to 36,850.76, 55,276.14 and 9,148.76

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Solution

The fourth proportional to 36,850.76, 55,276.14 and 9,148.76 is: 13,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850.76 : 55,276.14 = 9,148.76 : x
  2. Step 2: Convert to fraction form
    36,850.76/55,276.14 = 9,148.76/x
  3. Step 3: Cross multiply
    36,850.76x = 55,276.14 × 9,148.76
  4. Step 4: Simplify right side
    36,850.76x = 505,708,138.59
  5. Step 5: Solve for x
    x = 505,708,138.59/36,850.76
  6. Step 6: Final answer
    x = 13,723.14

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Similar ratio
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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.