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Finding the Fourth Proportional to 62,963.56, 86,889.63 and 34,669

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Solution

The fourth proportional to 62,963.56, 86,889.63 and 34,669 is: 47,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,963.56 : 86,889.63 = 34,669 : x
  2. Step 2: Convert to fraction form
    62,963.56/86,889.63 = 34,669/x
  3. Step 3: Cross multiply
    62,963.56x = 86,889.63 × 34,669
  4. Step 4: Simplify right side
    62,963.56x = 3,012,376,582.47
  5. Step 5: Solve for x
    x = 3,012,376,582.47/62,963.56
  6. Step 6: Final answer
    x = 47,843.17

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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.