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Finding the Fourth Proportional to 58,906.44, 81,283.50 and 39,827.70

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Solution

The fourth proportional to 58,906.44, 81,283.50 and 39,827.70 is: 54,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.44 : 81,283.50 = 39,827.70 : x
  2. Step 2: Convert to fraction form
    58,906.44/81,283.50 = 39,827.70/x
  3. Step 3: Cross multiply
    58,906.44x = 81,283.50 × 39,827.70
  4. Step 4: Simplify right side
    58,906.44x = 3,237,334,852.95
  5. Step 5: Solve for x
    x = 3,237,334,852.95/58,906.44
  6. Step 6: Final answer
    x = 54,957.23

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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.