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Finding the Fourth Proportional to 11,100.94, 16,643.21 and 6,717.42

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Solution

The fourth proportional to 11,100.94, 16,643.21 and 6,717.42 is: 10,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.94 : 16,643.21 = 6,717.42 : x
  2. Step 2: Convert to fraction form
    11,100.94/16,643.21 = 6,717.42/x
  3. Step 3: Cross multiply
    11,100.94x = 16,643.21 × 6,717.42
  4. Step 4: Simplify right side
    11,100.94x = 111,799,398.13
  5. Step 5: Solve for x
    x = 111,799,398.13/11,100.94
  6. Step 6: Final answer
    x = 10,071.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.