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Finding the Fourth Proportional to 2,006.16, 2,768.42 and 1,109.84

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Solution

The fourth proportional to 2,006.16, 2,768.42 and 1,109.84 is: 1,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.16 : 2,768.42 = 1,109.84 : x
  2. Step 2: Convert to fraction form
    2,006.16/2,768.42 = 1,109.84/x
  3. Step 3: Cross multiply
    2,006.16x = 2,768.42 × 1,109.84
  4. Step 4: Simplify right side
    2,006.16x = 3,072,503.25
  5. Step 5: Solve for x
    x = 3,072,503.25/2,006.16
  6. Step 6: Final answer
    x = 1,531.53

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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.