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Finding the Fourth Proportional to 27,104.37, 40,660.43 and 8,386.01

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Solution

The fourth proportional to 27,104.37, 40,660.43 and 8,386.01 is: 12,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.37 : 40,660.43 = 8,386.01 : x
  2. Step 2: Convert to fraction form
    27,104.37/40,660.43 = 8,386.01/x
  3. Step 3: Cross multiply
    27,104.37x = 40,660.43 × 8,386.01
  4. Step 4: Simplify right side
    27,104.37x = 340,978,727.00
  5. Step 5: Solve for x
    x = 340,978,727.00/27,104.37
  6. Step 6: Final answer
    x = 12,580.21

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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.