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Finding the Fourth Proportional to 6,863.71, 10,311.99 and 4,403.32

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Solution

The fourth proportional to 6,863.71, 10,311.99 and 4,403.32 is: 6,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.71 : 10,311.99 = 4,403.32 : x
  2. Step 2: Convert to fraction form
    6,863.71/10,311.99 = 4,403.32/x
  3. Step 3: Cross multiply
    6,863.71x = 10,311.99 × 4,403.32
  4. Step 4: Simplify right side
    6,863.71x = 45,406,991.81
  5. Step 5: Solve for x
    x = 45,406,991.81/6,863.71
  6. Step 6: Final answer
    x = 6,615.52

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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.