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Finding the Fourth Proportional to 58,392.21, 80,581.86 and 33,243.33

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Solution

The fourth proportional to 58,392.21, 80,581.86 and 33,243.33 is: 45,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,392.21 : 80,581.86 = 33,243.33 : x
  2. Step 2: Convert to fraction form
    58,392.21/80,581.86 = 33,243.33/x
  3. Step 3: Cross multiply
    58,392.21x = 80,581.86 × 33,243.33
  4. Step 4: Simplify right side
    58,392.21x = 2,678,809,363.99
  5. Step 5: Solve for x
    x = 2,678,809,363.99/58,392.21
  6. Step 6: Final answer
    x = 45,876.14

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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.