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Finding the Fourth Proportional to 8,331.71, 12,483.71 and 5,861.34

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Solution

The fourth proportional to 8,331.71, 12,483.71 and 5,861.34 is: 8,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.71 : 12,483.71 = 5,861.34 : x
  2. Step 2: Convert to fraction form
    8,331.71/12,483.71 = 5,861.34/x
  3. Step 3: Cross multiply
    8,331.71x = 12,483.71 × 5,861.34
  4. Step 4: Simplify right side
    8,331.71x = 73,171,239.46
  5. Step 5: Solve for x
    x = 73,171,239.46/8,331.71
  6. Step 6: Final answer
    x = 8,782.26

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