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Finding the Fourth Proportional to 63,163.94, 94,718.87 and 21,032.60

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Solution

The fourth proportional to 63,163.94, 94,718.87 and 21,032.60 is: 31,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,163.94 : 94,718.87 = 21,032.60 : x
  2. Step 2: Convert to fraction form
    63,163.94/94,718.87 = 21,032.60/x
  3. Step 3: Cross multiply
    63,163.94x = 94,718.87 × 21,032.60
  4. Step 4: Simplify right side
    63,163.94x = 1,992,183,605.28
  5. Step 5: Solve for x
    x = 1,992,183,605.28/63,163.94
  6. Step 6: Final answer
    x = 31,539.89

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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.