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Finding the Fourth Proportional to 18,573.06, 25,630.74 and 11,023.14

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Solution

The fourth proportional to 18,573.06, 25,630.74 and 11,023.14 is: 15,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.06 : 25,630.74 = 11,023.14 : x
  2. Step 2: Convert to fraction form
    18,573.06/25,630.74 = 11,023.14/x
  3. Step 3: Cross multiply
    18,573.06x = 25,630.74 × 11,023.14
  4. Step 4: Simplify right side
    18,573.06x = 282,531,235.32
  5. Step 5: Solve for x
    x = 282,531,235.32/18,573.06
  6. Step 6: Final answer
    x = 15,211.88

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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.