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Finding the Fourth Proportional to 7,956.57, 10,979.37 and 4,370.94

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Solution

The fourth proportional to 7,956.57, 10,979.37 and 4,370.94 is: 6,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.57 : 10,979.37 = 4,370.94 : x
  2. Step 2: Convert to fraction form
    7,956.57/10,979.37 = 4,370.94/x
  3. Step 3: Cross multiply
    7,956.57x = 10,979.37 × 4,370.94
  4. Step 4: Simplify right side
    7,956.57x = 47,990,167.51
  5. Step 5: Solve for x
    x = 47,990,167.51/7,956.57
  6. Step 6: Final answer
    x = 6,031.51

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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.