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Finding the Fourth Proportional to 64,822.94, 89,480.26 and 43,614.51

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Solution

The fourth proportional to 64,822.94, 89,480.26 and 43,614.51 is: 60,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,822.94 : 89,480.26 = 43,614.51 : x
  2. Step 2: Convert to fraction form
    64,822.94/89,480.26 = 43,614.51/x
  3. Step 3: Cross multiply
    64,822.94x = 89,480.26 × 43,614.51
  4. Step 4: Simplify right side
    64,822.94x = 3,902,637,694.57
  5. Step 5: Solve for x
    x = 3,902,637,694.57/64,822.94
  6. Step 6: Final answer
    x = 60,204.58

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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.