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Finding the Fourth Proportional to 8,984.82, 12,397.30 and 5,005.19

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Solution

The fourth proportional to 8,984.82, 12,397.30 and 5,005.19 is: 6,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.82 : 12,397.30 = 5,005.19 : x
  2. Step 2: Convert to fraction form
    8,984.82/12,397.30 = 5,005.19/x
  3. Step 3: Cross multiply
    8,984.82x = 12,397.30 × 5,005.19
  4. Step 4: Simplify right side
    8,984.82x = 62,050,888.62
  5. Step 5: Solve for x
    x = 62,050,888.62/8,984.82
  6. Step 6: Final answer
    x = 6,906.19

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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.