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Finding the Fourth Proportional to 11,365.70, 17,048.15 and 3,467.90

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Solution

The fourth proportional to 11,365.70, 17,048.15 and 3,467.90 is: 5,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.70 : 17,048.15 = 3,467.90 : x
  2. Step 2: Convert to fraction form
    11,365.70/17,048.15 = 3,467.90/x
  3. Step 3: Cross multiply
    11,365.70x = 17,048.15 × 3,467.90
  4. Step 4: Simplify right side
    11,365.70x = 59,121,221.77
  5. Step 5: Solve for x
    x = 59,121,221.77/11,365.70
  6. Step 6: Final answer
    x = 5,201.72

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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.