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Finding the Fourth Proportional to 29,993.45, 44,997.62 and 8,933.40

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Solution

The fourth proportional to 29,993.45, 44,997.62 and 8,933.40 is: 13,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.45 : 44,997.62 = 8,933.40 : x
  2. Step 2: Convert to fraction form
    29,993.45/44,997.62 = 8,933.40/x
  3. Step 3: Cross multiply
    29,993.45x = 44,997.62 × 8,933.40
  4. Step 4: Simplify right side
    29,993.45x = 401,981,693.84
  5. Step 5: Solve for x
    x = 401,981,693.84/29,993.45
  6. Step 6: Final answer
    x = 13,402.32

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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.