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Finding the Fourth Proportional to 36,841.96, 55,262.94 and 9,139.96

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Solution

The fourth proportional to 36,841.96, 55,262.94 and 9,139.96 is: 13,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,841.96 : 55,262.94 = 9,139.96 : x
  2. Step 2: Convert to fraction form
    36,841.96/55,262.94 = 9,139.96/x
  3. Step 3: Cross multiply
    36,841.96x = 55,262.94 × 9,139.96
  4. Step 4: Simplify right side
    36,841.96x = 505,101,061.08
  5. Step 5: Solve for x
    x = 505,101,061.08/36,841.96
  6. Step 6: Final answer
    x = 13,709.94

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Double scale
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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.