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Finding the Fourth Proportional to 17,964.24, 26,947.74 and 5,485.36

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Solution

The fourth proportional to 17,964.24, 26,947.74 and 5,485.36 is: 8,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.24 : 26,947.74 = 5,485.36 : x
  2. Step 2: Convert to fraction form
    17,964.24/26,947.74 = 5,485.36/x
  3. Step 3: Cross multiply
    17,964.24x = 26,947.74 × 5,485.36
  4. Step 4: Simplify right side
    17,964.24x = 147,818,055.09
  5. Step 5: Solve for x
    x = 147,818,055.09/17,964.24
  6. Step 6: Final answer
    x = 8,228.46

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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.