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Finding the Fourth Proportional to 62,964, 86,908.64 and 50,305.32

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Solution

The fourth proportional to 62,964, 86,908.64 and 50,305.32 is: 69,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964 : 86,908.64 = 50,305.32 : x
  2. Step 2: Convert to fraction form
    62,964/86,908.64 = 50,305.32/x
  3. Step 3: Cross multiply
    62,964x = 86,908.64 × 50,305.32
  4. Step 4: Simplify right side
    62,964x = 4,371,966,694.44
  5. Step 5: Solve for x
    x = 4,371,966,694.44/62,964
  6. Step 6: Final answer
    x = 69,435.97

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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.