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Finding the Fourth Proportional to 36,129.54, 54,194.14 and 9,834.21

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Solution

The fourth proportional to 36,129.54, 54,194.14 and 9,834.21 is: 14,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.54 : 54,194.14 = 9,834.21 : x
  2. Step 2: Convert to fraction form
    36,129.54/54,194.14 = 9,834.21/x
  3. Step 3: Cross multiply
    36,129.54x = 54,194.14 × 9,834.21
  4. Step 4: Simplify right side
    36,129.54x = 532,956,553.53
  5. Step 5: Solve for x
    x = 532,956,553.53/36,129.54
  6. Step 6: Final answer
    x = 14,751.27

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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.