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Finding the Fourth Proportional to 3,410.25, 4,706.15 and 2,013

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Solution

The fourth proportional to 3,410.25, 4,706.15 and 2,013 is: 2,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.25 : 4,706.15 = 2,013 : x
  2. Step 2: Convert to fraction form
    3,410.25/4,706.15 = 2,013/x
  3. Step 3: Cross multiply
    3,410.25x = 4,706.15 × 2,013
  4. Step 4: Simplify right side
    3,410.25x = 9,473,479.95
  5. Step 5: Solve for x
    x = 9,473,479.95/3,410.25
  6. Step 6: Final answer
    x = 2,777.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.