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Finding the Fourth Proportional to 7,367.78, 11,053.70 and 2,173.66

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Solution

The fourth proportional to 7,367.78, 11,053.70 and 2,173.66 is: 3,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.78 : 11,053.70 = 2,173.66 : x
  2. Step 2: Convert to fraction form
    7,367.78/11,053.70 = 2,173.66/x
  3. Step 3: Cross multiply
    7,367.78x = 11,053.70 × 2,173.66
  4. Step 4: Simplify right side
    7,367.78x = 24,026,919.41
  5. Step 5: Solve for x
    x = 24,026,919.41/7,367.78
  6. Step 6: Final answer
    x = 3,261.08

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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.