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Finding the Fourth Proportional to 7,956.09, 11,930.00 and 3,569.76

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Solution

The fourth proportional to 7,956.09, 11,930.00 and 3,569.76 is: 5,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.09 : 11,930.00 = 3,569.76 : x
  2. Step 2: Convert to fraction form
    7,956.09/11,930.00 = 3,569.76/x
  3. Step 3: Cross multiply
    7,956.09x = 11,930.00 × 3,569.76
  4. Step 4: Simplify right side
    7,956.09x = 42,587,218.95
  5. Step 5: Solve for x
    x = 42,587,218.95/7,956.09
  6. Step 6: Final answer
    x = 5,352.78

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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.