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Finding the Fourth Proportional to 18,062.76, 27,099.54 and 7,675.32

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Solution

The fourth proportional to 18,062.76, 27,099.54 and 7,675.32 is: 11,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.76 : 27,099.54 = 7,675.32 : x
  2. Step 2: Convert to fraction form
    18,062.76/27,099.54 = 7,675.32/x
  3. Step 3: Cross multiply
    18,062.76x = 27,099.54 × 7,675.32
  4. Step 4: Simplify right side
    18,062.76x = 207,997,641.35
  5. Step 5: Solve for x
    x = 207,997,641.35/18,062.76
  6. Step 6: Final answer
    x = 11,515.27

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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.