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Finding the Fourth Proportional to 62,679.69, 94,019.74 and 15,932.56

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Solution

The fourth proportional to 62,679.69, 94,019.74 and 15,932.56 is: 23,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.69 : 94,019.74 = 15,932.56 : x
  2. Step 2: Convert to fraction form
    62,679.69/94,019.74 = 15,932.56/x
  3. Step 3: Cross multiply
    62,679.69x = 94,019.74 × 15,932.56
  4. Step 4: Simplify right side
    62,679.69x = 1,497,975,148.73
  5. Step 5: Solve for x
    x = 1,497,975,148.73/62,679.69
  6. Step 6: Final answer
    x = 23,898.89

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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.