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Finding the Fourth Proportional to 9,208.91, 13,811.54 and 3,363.54

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Solution

The fourth proportional to 9,208.91, 13,811.54 and 3,363.54 is: 5,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.91 : 13,811.54 = 3,363.54 : x
  2. Step 2: Convert to fraction form
    9,208.91/13,811.54 = 3,363.54/x
  3. Step 3: Cross multiply
    9,208.91x = 13,811.54 × 3,363.54
  4. Step 4: Simplify right side
    9,208.91x = 46,455,650.43
  5. Step 5: Solve for x
    x = 46,455,650.43/9,208.91
  6. Step 6: Final answer
    x = 5,044.64

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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.