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Finding the Fourth Proportional to 36,209.94, 54,314.96 and 9,914.91

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Solution

The fourth proportional to 36,209.94, 54,314.96 and 9,914.91 is: 14,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.94 : 54,314.96 = 9,914.91 : x
  2. Step 2: Convert to fraction form
    36,209.94/54,314.96 = 9,914.91/x
  3. Step 3: Cross multiply
    36,209.94x = 54,314.96 × 9,914.91
  4. Step 4: Simplify right side
    36,209.94x = 538,527,890.48
  5. Step 5: Solve for x
    x = 538,527,890.48/36,209.94
  6. Step 6: Final answer
    x = 14,872.38

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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.