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Finding the Fourth Proportional to 2,114.09, 3,171.15 and 944.15

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Solution

The fourth proportional to 2,114.09, 3,171.15 and 944.15 is: 1,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.09 : 3,171.15 = 944.15 : x
  2. Step 2: Convert to fraction form
    2,114.09/3,171.15 = 944.15/x
  3. Step 3: Cross multiply
    2,114.09x = 3,171.15 × 944.15
  4. Step 4: Simplify right side
    2,114.09x = 2,994,047.68
  5. Step 5: Solve for x
    x = 2,994,047.68/2,114.09
  6. Step 6: Final answer
    x = 1,416.24

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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.