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Finding the Fourth Proportional to 5,509.26, 7,602.63 and 2,991.26

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Solution

The fourth proportional to 5,509.26, 7,602.63 and 2,991.26 is: 4,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.26 : 7,602.63 = 2,991.26 : x
  2. Step 2: Convert to fraction form
    5,509.26/7,602.63 = 2,991.26/x
  3. Step 3: Cross multiply
    5,509.26x = 7,602.63 × 2,991.26
  4. Step 4: Simplify right side
    5,509.26x = 22,741,405.00
  5. Step 5: Solve for x
    x = 22,741,405.00/5,509.26
  6. Step 6: Final answer
    x = 4,127.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.