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Finding the Fourth Proportional to 2,243.59, 3,361.50 and 2,015.32

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Solution

The fourth proportional to 2,243.59, 3,361.50 and 2,015.32 is: 3,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.59 : 3,361.50 = 2,015.32 : x
  2. Step 2: Convert to fraction form
    2,243.59/3,361.50 = 2,015.32/x
  3. Step 3: Cross multiply
    2,243.59x = 3,361.50 × 2,015.32
  4. Step 4: Simplify right side
    2,243.59x = 6,774,498.18
  5. Step 5: Solve for x
    x = 6,774,498.18/2,243.59
  6. Step 6: Final answer
    x = 3,019.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.