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Finding the Fourth Proportional to 62,992, 94,502.58 and 21,439

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Solution

The fourth proportional to 62,992, 94,502.58 and 21,439 is: 32,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992 : 94,502.58 = 21,439 : x
  2. Step 2: Convert to fraction form
    62,992/94,502.58 = 21,439/x
  3. Step 3: Cross multiply
    62,992x = 94,502.58 × 21,439
  4. Step 4: Simplify right side
    62,992x = 2,026,040,812.62
  5. Step 5: Solve for x
    x = 2,026,040,812.62/62,992
  6. Step 6: Final answer
    x = 32,163.46

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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.