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Finding the Fourth Proportional to 58,992.36, 81,385.29 and 33,493.20

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Solution

The fourth proportional to 58,992.36, 81,385.29 and 33,493.20 is: 46,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,992.36 : 81,385.29 = 33,493.20 : x
  2. Step 2: Convert to fraction form
    58,992.36/81,385.29 = 33,493.20/x
  3. Step 3: Cross multiply
    58,992.36x = 81,385.29 × 33,493.20
  4. Step 4: Simplify right side
    58,992.36x = 2,725,853,795.03
  5. Step 5: Solve for x
    x = 2,725,853,795.03/58,992.36
  6. Step 6: Final answer
    x = 46,206.90

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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.