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Finding the Fourth Proportional to 7,956.94, 11,932.33 and 2,690.54

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Solution

The fourth proportional to 7,956.94, 11,932.33 and 2,690.54 is: 4,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.94 : 11,932.33 = 2,690.54 : x
  2. Step 2: Convert to fraction form
    7,956.94/11,932.33 = 2,690.54/x
  3. Step 3: Cross multiply
    7,956.94x = 11,932.33 × 2,690.54
  4. Step 4: Simplify right side
    7,956.94x = 32,104,411.16
  5. Step 5: Solve for x
    x = 32,104,411.16/7,956.94
  6. Step 6: Final answer
    x = 4,034.77

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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.