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Finding the Fourth Proportional to 2,041, 2,816.60 and 1,109.52

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Solution

The fourth proportional to 2,041, 2,816.60 and 1,109.52 is: 1,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041 : 2,816.60 = 1,109.52 : x
  2. Step 2: Convert to fraction form
    2,041/2,816.60 = 1,109.52/x
  3. Step 3: Cross multiply
    2,041x = 2,816.60 × 1,109.52
  4. Step 4: Simplify right side
    2,041x = 3,125,074.03
  5. Step 5: Solve for x
    x = 3,125,074.03/2,041
  6. Step 6: Final answer
    x = 1,531.15

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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.