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Finding the Fourth Proportional to 58,696.37, 80,998.80 and 31,837.98

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Solution

The fourth proportional to 58,696.37, 80,998.80 and 31,837.98 is: 43,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.37 : 80,998.80 = 31,837.98 : x
  2. Step 2: Convert to fraction form
    58,696.37/80,998.80 = 31,837.98/x
  3. Step 3: Cross multiply
    58,696.37x = 80,998.80 × 31,837.98
  4. Step 4: Simplify right side
    58,696.37x = 2,578,838,174.42
  5. Step 5: Solve for x
    x = 2,578,838,174.42/58,696.37
  6. Step 6: Final answer
    x = 43,935.22

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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.