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Finding the Fourth Proportional to 36,208.08, 54,311.99 and 9,914.81

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Solution

The fourth proportional to 36,208.08, 54,311.99 and 9,914.81 is: 14,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,208.08 : 54,311.99 = 9,914.81 : x
  2. Step 2: Convert to fraction form
    36,208.08/54,311.99 = 9,914.81/x
  3. Step 3: Cross multiply
    36,208.08x = 54,311.99 × 9,914.81
  4. Step 4: Simplify right side
    36,208.08x = 538,492,740.44
  5. Step 5: Solve for x
    x = 538,492,740.44/36,208.08
  6. Step 6: Final answer
    x = 14,872.17

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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.