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Finding the Fourth Proportional to 3,101.76, 4,280.42 and 1,775.44

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Solution

The fourth proportional to 3,101.76, 4,280.42 and 1,775.44 is: 2,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.76 : 4,280.42 = 1,775.44 : x
  2. Step 2: Convert to fraction form
    3,101.76/4,280.42 = 1,775.44/x
  3. Step 3: Cross multiply
    3,101.76x = 4,280.42 × 1,775.44
  4. Step 4: Simplify right side
    3,101.76x = 7,599,628.88
  5. Step 5: Solve for x
    x = 7,599,628.88/3,101.76
  6. Step 6: Final answer
    x = 2,450.10

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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.