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Finding the Fourth Proportional to 11,956.56, 17,934.38 and 6,762.48

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Solution

The fourth proportional to 11,956.56, 17,934.38 and 6,762.48 is: 10,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.56 : 17,934.38 = 6,762.48 : x
  2. Step 2: Convert to fraction form
    11,956.56/17,934.38 = 6,762.48/x
  3. Step 3: Cross multiply
    11,956.56x = 17,934.38 × 6,762.48
  4. Step 4: Simplify right side
    11,956.56x = 121,280,886.06
  5. Step 5: Solve for x
    x = 121,280,886.06/11,956.56
  6. Step 6: Final answer
    x = 10,143.46

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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.