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Finding the Fourth Proportional to 2,068.89, 3,102.97 and 752.37

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Solution

The fourth proportional to 2,068.89, 3,102.97 and 752.37 is: 1,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.89 : 3,102.97 = 752.37 : x
  2. Step 2: Convert to fraction form
    2,068.89/3,102.97 = 752.37/x
  3. Step 3: Cross multiply
    2,068.89x = 3,102.97 × 752.37
  4. Step 4: Simplify right side
    2,068.89x = 2,334,581.54
  5. Step 5: Solve for x
    x = 2,334,581.54/2,068.89
  6. Step 6: Final answer
    x = 1,128.42

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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.