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Finding the Fourth Proportional to 64,185.39, 88,579.71 and 35,891.28

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Solution

The fourth proportional to 64,185.39, 88,579.71 and 35,891.28 is: 49,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,185.39 : 88,579.71 = 35,891.28 : x
  2. Step 2: Convert to fraction form
    64,185.39/88,579.71 = 35,891.28/x
  3. Step 3: Cross multiply
    64,185.39x = 88,579.71 × 35,891.28
  4. Step 4: Simplify right side
    64,185.39x = 3,179,239,173.93
  5. Step 5: Solve for x
    x = 3,179,239,173.93/64,185.39
  6. Step 6: Final answer
    x = 49,532.13

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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.