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Finding the Fourth Proportional to 64,369.89, 96,569.43 and 22,816.89

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Solution

The fourth proportional to 64,369.89, 96,569.43 and 22,816.89 is: 34,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.89 : 96,569.43 = 22,816.89 : x
  2. Step 2: Convert to fraction form
    64,369.89/96,569.43 = 22,816.89/x
  3. Step 3: Cross multiply
    64,369.89x = 96,569.43 × 22,816.89
  4. Step 4: Simplify right side
    64,369.89x = 2,203,414,061.67
  5. Step 5: Solve for x
    x = 2,203,414,061.67/64,369.89
  6. Step 6: Final answer
    x = 34,230.51

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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.