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Finding the Fourth Proportional to 10,909.94, 15,067.98 and 7,367

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Solution

The fourth proportional to 10,909.94, 15,067.98 and 7,367 is: 10,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.94 : 15,067.98 = 7,367 : x
  2. Step 2: Convert to fraction form
    10,909.94/15,067.98 = 7,367/x
  3. Step 3: Cross multiply
    10,909.94x = 15,067.98 × 7,367
  4. Step 4: Simplify right side
    10,909.94x = 111,005,808.66
  5. Step 5: Solve for x
    x = 111,005,808.66/10,909.94
  6. Step 6: Final answer
    x = 10,174.74

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