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Finding the Fourth Proportional to 58,380.50, 80,584.11 and 43,268.33

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Solution

The fourth proportional to 58,380.50, 80,584.11 and 43,268.33 is: 59,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,380.50 : 80,584.11 = 43,268.33 : x
  2. Step 2: Convert to fraction form
    58,380.50/80,584.11 = 43,268.33/x
  3. Step 3: Cross multiply
    58,380.50x = 80,584.11 × 43,268.33
  4. Step 4: Simplify right side
    58,380.50x = 3,486,739,461.32
  5. Step 5: Solve for x
    x = 3,486,739,461.32/58,380.50
  6. Step 6: Final answer
    x = 59,724.39

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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.