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Finding the Fourth Proportional to 58,984.37, 81,400.46 and 33,489.89

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Solution

The fourth proportional to 58,984.37, 81,400.46 and 33,489.89 is: 46,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,984.37 : 81,400.46 = 33,489.89 : x
  2. Step 2: Convert to fraction form
    58,984.37/81,400.46 = 33,489.89/x
  3. Step 3: Cross multiply
    58,984.37x = 81,400.46 × 33,489.89
  4. Step 4: Simplify right side
    58,984.37x = 2,726,092,784.58
  5. Step 5: Solve for x
    x = 2,726,092,784.58/58,984.37
  6. Step 6: Final answer
    x = 46,217.21

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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.