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Finding the Fourth Proportional to 58,989, 81,404.82 and 32,493

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Solution

The fourth proportional to 58,989, 81,404.82 and 32,493 is: 44,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989 : 81,404.82 = 32,493 : x
  2. Step 2: Convert to fraction form
    58,989/81,404.82 = 32,493/x
  3. Step 3: Cross multiply
    58,989x = 81,404.82 × 32,493
  4. Step 4: Simplify right side
    58,989x = 2,645,086,816.26
  5. Step 5: Solve for x
    x = 2,645,086,816.26/58,989
  6. Step 6: Final answer
    x = 44,840.34

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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.