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Finding the Fourth Proportional to 18,287.00, 27,420.23 and 5,804.69

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Solution

The fourth proportional to 18,287.00, 27,420.23 and 5,804.69 is: 8,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.00 : 27,420.23 = 5,804.69 : x
  2. Step 2: Convert to fraction form
    18,287.00/27,420.23 = 5,804.69/x
  3. Step 3: Cross multiply
    18,287.00x = 27,420.23 × 5,804.69
  4. Step 4: Simplify right side
    18,287.00x = 159,166,017.94
  5. Step 5: Solve for x
    x = 159,166,017.94/18,287.00
  6. Step 6: Final answer
    x = 8,703.78

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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.