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Finding the Fourth Proportional to 7,959.82, 11,935.62 and 3,573.52

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Solution

The fourth proportional to 7,959.82, 11,935.62 and 3,573.52 is: 5,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.82 : 11,935.62 = 3,573.52 : x
  2. Step 2: Convert to fraction form
    7,959.82/11,935.62 = 3,573.52/x
  3. Step 3: Cross multiply
    7,959.82x = 11,935.62 × 3,573.52
  4. Step 4: Simplify right side
    7,959.82x = 42,652,176.78
  5. Step 5: Solve for x
    x = 42,652,176.78/7,959.82
  6. Step 6: Final answer
    x = 5,358.43

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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.