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Finding the Fourth Proportional to 8,986.31, 13,486.52 and 6,232.31

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Solution

The fourth proportional to 8,986.31, 13,486.52 and 6,232.31 is: 9,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.31 : 13,486.52 = 6,232.31 : x
  2. Step 2: Convert to fraction form
    8,986.31/13,486.52 = 6,232.31/x
  3. Step 3: Cross multiply
    8,986.31x = 13,486.52 × 6,232.31
  4. Step 4: Simplify right side
    8,986.31x = 84,052,173.46
  5. Step 5: Solve for x
    x = 84,052,173.46/8,986.31
  6. Step 6: Final answer
    x = 9,353.36

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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.