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Finding the Fourth Proportional to 7,909.44, 11,863.16 and 2,066.52

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Solution

The fourth proportional to 7,909.44, 11,863.16 and 2,066.52 is: 3,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.44 : 11,863.16 = 2,066.52 : x
  2. Step 2: Convert to fraction form
    7,909.44/11,863.16 = 2,066.52/x
  3. Step 3: Cross multiply
    7,909.44x = 11,863.16 × 2,066.52
  4. Step 4: Simplify right side
    7,909.44x = 24,515,457.40
  5. Step 5: Solve for x
    x = 24,515,457.40/7,909.44
  6. Step 6: Final answer
    x = 3,099.52

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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.