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Finding the Fourth Proportional to 2,240.94, 3,361.50 and 1,071.06

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Solution

The fourth proportional to 2,240.94, 3,361.50 and 1,071.06 is: 1,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.94 : 3,361.50 = 1,071.06 : x
  2. Step 2: Convert to fraction form
    2,240.94/3,361.50 = 1,071.06/x
  3. Step 3: Cross multiply
    2,240.94x = 3,361.50 × 1,071.06
  4. Step 4: Simplify right side
    2,240.94x = 3,600,368.19
  5. Step 5: Solve for x
    x = 3,600,368.19/2,240.94
  6. Step 6: Final answer
    x = 1,606.63

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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.