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Finding the Fourth Proportional to 69,772.83, 96,288.54 and 37,943.79

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Solution

The fourth proportional to 69,772.83, 96,288.54 and 37,943.79 is: 52,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,772.83 : 96,288.54 = 37,943.79 : x
  2. Step 2: Convert to fraction form
    69,772.83/96,288.54 = 37,943.79/x
  3. Step 3: Cross multiply
    69,772.83x = 96,288.54 × 37,943.79
  4. Step 4: Simplify right side
    69,772.83x = 3,653,552,141.17
  5. Step 5: Solve for x
    x = 3,653,552,141.17/69,772.83
  6. Step 6: Final answer
    x = 52,363.54

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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.