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Finding the Fourth Proportional to 9,493.17, 14,241.12 and 2,919.91

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Solution

The fourth proportional to 9,493.17, 14,241.12 and 2,919.91 is: 4,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,493.17 : 14,241.12 = 2,919.91 : x
  2. Step 2: Convert to fraction form
    9,493.17/14,241.12 = 2,919.91/x
  3. Step 3: Cross multiply
    9,493.17x = 14,241.12 × 2,919.91
  4. Step 4: Simplify right side
    9,493.17x = 41,582,788.70
  5. Step 5: Solve for x
    x = 41,582,788.70/9,493.17
  6. Step 6: Final answer
    x = 4,380.28

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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.