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Finding the Fourth Proportional to 15,174.01, 22,770.74 and 7,378.57

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Solution

The fourth proportional to 15,174.01, 22,770.74 and 7,378.57 is: 11,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.01 : 22,770.74 = 7,378.57 : x
  2. Step 2: Convert to fraction form
    15,174.01/22,770.74 = 7,378.57/x
  3. Step 3: Cross multiply
    15,174.01x = 22,770.74 × 7,378.57
  4. Step 4: Simplify right side
    15,174.01x = 168,015,499.04
  5. Step 5: Solve for x
    x = 168,015,499.04/15,174.01
  6. Step 6: Final answer
    x = 11,072.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.