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Finding the Fourth Proportional to 58,737.97, 81,058.48 and 31,880.48

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Solution

The fourth proportional to 58,737.97, 81,058.48 and 31,880.48 is: 43,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,737.97 : 81,058.48 = 31,880.48 : x
  2. Step 2: Convert to fraction form
    58,737.97/81,058.48 = 31,880.48/x
  3. Step 3: Cross multiply
    58,737.97x = 81,058.48 × 31,880.48
  4. Step 4: Simplify right side
    58,737.97x = 2,584,182,924.88
  5. Step 5: Solve for x
    x = 2,584,182,924.88/58,737.97
  6. Step 6: Final answer
    x = 43,995.10

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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.