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Finding the Fourth Proportional to 18,099.92, 27,128.86 and 10,710.63

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Solution

The fourth proportional to 18,099.92, 27,128.86 and 10,710.63 is: 16,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.92 : 27,128.86 = 10,710.63 : x
  2. Step 2: Convert to fraction form
    18,099.92/27,128.86 = 10,710.63/x
  3. Step 3: Cross multiply
    18,099.92x = 27,128.86 × 10,710.63
  4. Step 4: Simplify right side
    18,099.92x = 290,567,155.01
  5. Step 5: Solve for x
    x = 290,567,155.01/18,099.92
  6. Step 6: Final answer
    x = 16,053.50

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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.