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Finding the Fourth Proportional to 58,737.95, 81,058.44 and 31,880.46

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Solution

The fourth proportional to 58,737.95, 81,058.44 and 31,880.46 is: 43,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,737.95 : 81,058.44 = 31,880.46 : x
  2. Step 2: Convert to fraction form
    58,737.95/81,058.44 = 31,880.46/x
  3. Step 3: Cross multiply
    58,737.95x = 81,058.44 × 31,880.46
  4. Step 4: Simplify right side
    58,737.95x = 2,584,179,948.79
  5. Step 5: Solve for x
    x = 2,584,179,948.79/58,737.95
  6. Step 6: Final answer
    x = 43,995.07

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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.