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Finding the Fourth Proportional to 11,208.11, 16,797.74 and 5,649.01

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Solution

The fourth proportional to 11,208.11, 16,797.74 and 5,649.01 is: 8,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.11 : 16,797.74 = 5,649.01 : x
  2. Step 2: Convert to fraction form
    11,208.11/16,797.74 = 5,649.01/x
  3. Step 3: Cross multiply
    11,208.11x = 16,797.74 × 5,649.01
  4. Step 4: Simplify right side
    11,208.11x = 94,890,531.00
  5. Step 5: Solve for x
    x = 94,890,531.00/11,208.11
  6. Step 6: Final answer
    x = 8,466.24

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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.