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Finding the Fourth Proportional to 22,690.08, 34,039.44 and 8,838

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Solution

The fourth proportional to 22,690.08, 34,039.44 and 8,838 is: 13,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.08 : 34,039.44 = 8,838 : x
  2. Step 2: Convert to fraction form
    22,690.08/34,039.44 = 8,838/x
  3. Step 3: Cross multiply
    22,690.08x = 34,039.44 × 8,838
  4. Step 4: Simplify right side
    22,690.08x = 300,840,570.72
  5. Step 5: Solve for x
    x = 300,840,570.72/22,690.08
  6. Step 6: Final answer
    x = 13,258.68

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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.