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Finding the Fourth Proportional to 11,208.99, 15,468.28 and 6,173.11

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Solution

The fourth proportional to 11,208.99, 15,468.28 and 6,173.11 is: 8,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.99 : 15,468.28 = 6,173.11 : x
  2. Step 2: Convert to fraction form
    11,208.99/15,468.28 = 6,173.11/x
  3. Step 3: Cross multiply
    11,208.99x = 15,468.28 × 6,173.11
  4. Step 4: Simplify right side
    11,208.99x = 95,487,393.95
  5. Step 5: Solve for x
    x = 95,487,393.95/11,208.99
  6. Step 6: Final answer
    x = 8,518.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.