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Finding the Fourth Proportional to 7,194.67, 9,931.34 and 5,321.33

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Solution

The fourth proportional to 7,194.67, 9,931.34 and 5,321.33 is: 7,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.67 : 9,931.34 = 5,321.33 : x
  2. Step 2: Convert to fraction form
    7,194.67/9,931.34 = 5,321.33/x
  3. Step 3: Cross multiply
    7,194.67x = 9,931.34 × 5,321.33
  4. Step 4: Simplify right side
    7,194.67x = 52,847,937.48
  5. Step 5: Solve for x
    x = 52,847,937.48/7,194.67
  6. Step 6: Final answer
    x = 7,345.43

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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.