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Finding the Fourth Proportional to 3,360.49, 5,040.09 and 895.32

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Solution

The fourth proportional to 3,360.49, 5,040.09 and 895.32 is: 1,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.49 : 5,040.09 = 895.32 : x
  2. Step 2: Convert to fraction form
    3,360.49/5,040.09 = 895.32/x
  3. Step 3: Cross multiply
    3,360.49x = 5,040.09 × 895.32
  4. Step 4: Simplify right side
    3,360.49x = 4,512,493.38
  5. Step 5: Solve for x
    x = 4,512,493.38/3,360.49
  6. Step 6: Final answer
    x = 1,342.81

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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.