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Finding the Fourth Proportional to 58,822.62, 81,208.99 and 38,737.82

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Solution

The fourth proportional to 58,822.62, 81,208.99 and 38,737.82 is: 53,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,822.62 : 81,208.99 = 38,737.82 : x
  2. Step 2: Convert to fraction form
    58,822.62/81,208.99 = 38,737.82/x
  3. Step 3: Cross multiply
    58,822.62x = 81,208.99 × 38,737.82
  4. Step 4: Simplify right side
    58,822.62x = 3,145,859,237.00
  5. Step 5: Solve for x
    x = 3,145,859,237.00/58,822.62
  6. Step 6: Final answer
    x = 53,480.43

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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.