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Finding the Fourth Proportional to 30,368.56, 41,912.28 and 17,793.32

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Solution

The fourth proportional to 30,368.56, 41,912.28 and 17,793.32 is: 24,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.56 : 41,912.28 = 17,793.32 : x
  2. Step 2: Convert to fraction form
    30,368.56/41,912.28 = 17,793.32/x
  3. Step 3: Cross multiply
    30,368.56x = 41,912.28 × 17,793.32
  4. Step 4: Simplify right side
    30,368.56x = 745,758,609.97
  5. Step 5: Solve for x
    x = 745,758,609.97/30,368.56
  6. Step 6: Final answer
    x = 24,556.93

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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.