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Finding the Fourth Proportional to 64,578.51, 96,860.46 and 22,451.49

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Solution

The fourth proportional to 64,578.51, 96,860.46 and 22,451.49 is: 33,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578.51 : 96,860.46 = 22,451.49 : x
  2. Step 2: Convert to fraction form
    64,578.51/96,860.46 = 22,451.49/x
  3. Step 3: Cross multiply
    64,578.51x = 96,860.46 × 22,451.49
  4. Step 4: Simplify right side
    64,578.51x = 2,174,661,649.09
  5. Step 5: Solve for x
    x = 2,174,661,649.09/64,578.51
  6. Step 6: Final answer
    x = 33,674.70

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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.