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Finding the Fourth Proportional to 59,381.88, 81,890.44 and 35,504.68

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Solution

The fourth proportional to 59,381.88, 81,890.44 and 35,504.68 is: 48,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,381.88 : 81,890.44 = 35,504.68 : x
  2. Step 2: Convert to fraction form
    59,381.88/81,890.44 = 35,504.68/x
  3. Step 3: Cross multiply
    59,381.88x = 81,890.44 × 35,504.68
  4. Step 4: Simplify right side
    59,381.88x = 2,907,493,867.26
  5. Step 5: Solve for x
    x = 2,907,493,867.26/59,381.88
  6. Step 6: Final answer
    x = 48,962.64

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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.