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Finding the Fourth Proportional to 64,822.44, 89,479.57 and 43,614.01

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Solution

The fourth proportional to 64,822.44, 89,479.57 and 43,614.01 is: 60,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,822.44 : 89,479.57 = 43,614.01 : x
  2. Step 2: Convert to fraction form
    64,822.44/89,479.57 = 43,614.01/x
  3. Step 3: Cross multiply
    64,822.44x = 89,479.57 × 43,614.01
  4. Step 4: Simplify right side
    64,822.44x = 3,902,562,413.38
  5. Step 5: Solve for x
    x = 3,902,562,413.38/64,822.44
  6. Step 6: Final answer
    x = 60,203.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.