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Finding the Fourth Proportional to 59,420.84, 81,997.20 and 32,558

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Solution

The fourth proportional to 59,420.84, 81,997.20 and 32,558 is: 44,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,420.84 : 81,997.20 = 32,558 : x
  2. Step 2: Convert to fraction form
    59,420.84/81,997.20 = 32,558/x
  3. Step 3: Cross multiply
    59,420.84x = 81,997.20 × 32,558
  4. Step 4: Simplify right side
    59,420.84x = 2,669,664,837.60
  5. Step 5: Solve for x
    x = 2,669,664,837.60/59,420.84
  6. Step 6: Final answer
    x = 44,928.09

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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.