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Finding the Fourth Proportional to 8,997.31, 13,495.96 and 4,611.97

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Solution

The fourth proportional to 8,997.31, 13,495.96 and 4,611.97 is: 6,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.31 : 13,495.96 = 4,611.97 : x
  2. Step 2: Convert to fraction form
    8,997.31/13,495.96 = 4,611.97/x
  3. Step 3: Cross multiply
    8,997.31x = 13,495.96 × 4,611.97
  4. Step 4: Simplify right side
    8,997.31x = 62,242,895.16
  5. Step 5: Solve for x
    x = 62,242,895.16/8,997.31
  6. Step 6: Final answer
    x = 6,917.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.