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Finding the Fourth Proportional to 64,569.46, 96,645.86 and 33,361.78

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Solution

The fourth proportional to 64,569.46, 96,645.86 and 33,361.78 is: 49,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,569.46 : 96,645.86 = 33,361.78 : x
  2. Step 2: Convert to fraction form
    64,569.46/96,645.86 = 33,361.78/x
  3. Step 3: Cross multiply
    64,569.46x = 96,645.86 × 33,361.78
  4. Step 4: Simplify right side
    64,569.46x = 3,224,277,919.23
  5. Step 5: Solve for x
    x = 3,224,277,919.23/64,569.46
  6. Step 6: Final answer
    x = 49,935.03

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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.