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Finding the Fourth Proportional to 7,958.71, 11,935.23 and 3,029.68

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Solution

The fourth proportional to 7,958.71, 11,935.23 and 3,029.68 is: 4,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.71 : 11,935.23 = 3,029.68 : x
  2. Step 2: Convert to fraction form
    7,958.71/11,935.23 = 3,029.68/x
  3. Step 3: Cross multiply
    7,958.71x = 11,935.23 × 3,029.68
  4. Step 4: Simplify right side
    7,958.71x = 36,159,927.63
  5. Step 5: Solve for x
    x = 36,159,927.63/7,958.71
  6. Step 6: Final answer
    x = 4,543.44

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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.