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Finding the Fourth Proportional to 7,185.15, 9,914.81 and 4,041.27

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Solution

The fourth proportional to 7,185.15, 9,914.81 and 4,041.27 is: 5,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.15 : 9,914.81 = 4,041.27 : x
  2. Step 2: Convert to fraction form
    7,185.15/9,914.81 = 4,041.27/x
  3. Step 3: Cross multiply
    7,185.15x = 9,914.81 × 4,041.27
  4. Step 4: Simplify right side
    7,185.15x = 40,068,404.00
  5. Step 5: Solve for x
    x = 40,068,404.00/7,185.15
  6. Step 6: Final answer
    x = 5,576.56

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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.