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Finding the Fourth Proportional to 8,316.14, 11,472.84 and 4,958.21

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Solution

The fourth proportional to 8,316.14, 11,472.84 and 4,958.21 is: 6,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.14 : 11,472.84 = 4,958.21 : x
  2. Step 2: Convert to fraction form
    8,316.14/11,472.84 = 4,958.21/x
  3. Step 3: Cross multiply
    8,316.14x = 11,472.84 × 4,958.21
  4. Step 4: Simplify right side
    8,316.14x = 56,884,778.70
  5. Step 5: Solve for x
    x = 56,884,778.70/8,316.14
  6. Step 6: Final answer
    x = 6,840.29

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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.