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Finding the Fourth Proportional to 58,189.81, 80,302 and 33,039.31

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Solution

The fourth proportional to 58,189.81, 80,302 and 33,039.31 is: 45,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,189.81 : 80,302 = 33,039.31 : x
  2. Step 2: Convert to fraction form
    58,189.81/80,302 = 33,039.31/x
  3. Step 3: Cross multiply
    58,189.81x = 80,302 × 33,039.31
  4. Step 4: Simplify right side
    58,189.81x = 2,653,122,671.62
  5. Step 5: Solve for x
    x = 2,653,122,671.62/58,189.81
  6. Step 6: Final answer
    x = 45,594.28

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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.