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Finding the Fourth Proportional to 15,074.26, 20,797.50 and 9,103.66

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Solution

The fourth proportional to 15,074.26, 20,797.50 and 9,103.66 is: 12,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.26 : 20,797.50 = 9,103.66 : x
  2. Step 2: Convert to fraction form
    15,074.26/20,797.50 = 9,103.66/x
  3. Step 3: Cross multiply
    15,074.26x = 20,797.50 × 9,103.66
  4. Step 4: Simplify right side
    15,074.26x = 189,333,368.85
  5. Step 5: Solve for x
    x = 189,333,368.85/15,074.26
  6. Step 6: Final answer
    x = 12,560.04

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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.