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Finding the Fourth Proportional to 6,928.54, 9,562.43 and 3,903.94

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Solution

The fourth proportional to 6,928.54, 9,562.43 and 3,903.94 is: 5,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.54 : 9,562.43 = 3,903.94 : x
  2. Step 2: Convert to fraction form
    6,928.54/9,562.43 = 3,903.94/x
  3. Step 3: Cross multiply
    6,928.54x = 9,562.43 × 3,903.94
  4. Step 4: Simplify right side
    6,928.54x = 37,331,109.55
  5. Step 5: Solve for x
    x = 37,331,109.55/6,928.54
  6. Step 6: Final answer
    x = 5,388.02

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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.