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Finding the Fourth Proportional to 8,914.82, 12,302.82 and 4,935.86

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Solution

The fourth proportional to 8,914.82, 12,302.82 and 4,935.86 is: 6,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.82 : 12,302.82 = 4,935.86 : x
  2. Step 2: Convert to fraction form
    8,914.82/12,302.82 = 4,935.86/x
  3. Step 3: Cross multiply
    8,914.82x = 12,302.82 × 4,935.86
  4. Step 4: Simplify right side
    8,914.82x = 60,724,997.13
  5. Step 5: Solve for x
    x = 60,724,997.13/8,914.82
  6. Step 6: Final answer
    x = 6,811.69

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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.