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Finding the Fourth Proportional to 59,388.12, 81,956.93 and 33,893.98

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Solution

The fourth proportional to 59,388.12, 81,956.93 and 33,893.98 is: 46,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,388.12 : 81,956.93 = 33,893.98 : x
  2. Step 2: Convert to fraction form
    59,388.12/81,956.93 = 33,893.98/x
  3. Step 3: Cross multiply
    59,388.12x = 81,956.93 × 33,893.98
  4. Step 4: Simplify right side
    59,388.12x = 2,777,846,503.91
  5. Step 5: Solve for x
    x = 2,777,846,503.91/59,388.12
  6. Step 6: Final answer
    x = 46,774.45

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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.