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Finding the Fourth Proportional to 59,393.04, 81,963.96 and 33,903

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Solution

The fourth proportional to 59,393.04, 81,963.96 and 33,903 is: 46,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,393.04 : 81,963.96 = 33,903 : x
  2. Step 2: Convert to fraction form
    59,393.04/81,963.96 = 33,903/x
  3. Step 3: Cross multiply
    59,393.04x = 81,963.96 × 33,903
  4. Step 4: Simplify right side
    59,393.04x = 2,778,824,135.88
  5. Step 5: Solve for x
    x = 2,778,824,135.88/59,393.04
  6. Step 6: Final answer
    x = 46,787.03

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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.