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Finding the Fourth Proportional to 26,881.60, 40,322.04 and 9,351.40

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Solution

The fourth proportional to 26,881.60, 40,322.04 and 9,351.40 is: 14,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,881.60 : 40,322.04 = 9,351.40 : x
  2. Step 2: Convert to fraction form
    26,881.60/40,322.04 = 9,351.40/x
  3. Step 3: Cross multiply
    26,881.60x = 40,322.04 × 9,351.40
  4. Step 4: Simplify right side
    26,881.60x = 377,067,524.86
  5. Step 5: Solve for x
    x = 377,067,524.86/26,881.60
  6. Step 6: Final answer
    x = 14,026.97

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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.