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Finding the Fourth Proportional to 3,472.88, 5,210.19 and 2,009.34

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Solution

The fourth proportional to 3,472.88, 5,210.19 and 2,009.34 is: 3,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.88 : 5,210.19 = 2,009.34 : x
  2. Step 2: Convert to fraction form
    3,472.88/5,210.19 = 2,009.34/x
  3. Step 3: Cross multiply
    3,472.88x = 5,210.19 × 2,009.34
  4. Step 4: Simplify right side
    3,472.88x = 10,469,043.17
  5. Step 5: Solve for x
    x = 10,469,043.17/3,472.88
  6. Step 6: Final answer
    x = 3,014.52

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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.