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Finding the Fourth Proportional to 7,956.66, 10,979.37 and 4,419.48

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Solution

The fourth proportional to 7,956.66, 10,979.37 and 4,419.48 is: 6,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.66 : 10,979.37 = 4,419.48 : x
  2. Step 2: Convert to fraction form
    7,956.66/10,979.37 = 4,419.48/x
  3. Step 3: Cross multiply
    7,956.66x = 10,979.37 × 4,419.48
  4. Step 4: Simplify right side
    7,956.66x = 48,523,106.13
  5. Step 5: Solve for x
    x = 48,523,106.13/7,956.66
  6. Step 6: Final answer
    x = 6,098.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.