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Finding the Fourth Proportional to 27,956.64, 41,935.32 and 8,230.71

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Solution

The fourth proportional to 27,956.64, 41,935.32 and 8,230.71 is: 12,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.64 : 41,935.32 = 8,230.71 : x
  2. Step 2: Convert to fraction form
    27,956.64/41,935.32 = 8,230.71/x
  3. Step 3: Cross multiply
    27,956.64x = 41,935.32 × 8,230.71
  4. Step 4: Simplify right side
    27,956.64x = 345,157,457.68
  5. Step 5: Solve for x
    x = 345,157,457.68/27,956.64
  6. Step 6: Final answer
    x = 12,346.17

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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.