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Finding the Fourth Proportional to 36,287.99, 54,435.43 and 14,103.08

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Solution

The fourth proportional to 36,287.99, 54,435.43 and 14,103.08 is: 21,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.99 : 54,435.43 = 14,103.08 : x
  2. Step 2: Convert to fraction form
    36,287.99/54,435.43 = 14,103.08/x
  3. Step 3: Cross multiply
    36,287.99x = 54,435.43 × 14,103.08
  4. Step 4: Simplify right side
    36,287.99x = 767,707,224.12
  5. Step 5: Solve for x
    x = 767,707,224.12/36,287.99
  6. Step 6: Final answer
    x = 21,155.96

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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.