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Finding the Fourth Proportional to 58,216.72, 87,241.65 and 33,205

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Solution

The fourth proportional to 58,216.72, 87,241.65 and 33,205 is: 49,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,216.72 : 87,241.65 = 33,205 : x
  2. Step 2: Convert to fraction form
    58,216.72/87,241.65 = 33,205/x
  3. Step 3: Cross multiply
    58,216.72x = 87,241.65 × 33,205
  4. Step 4: Simplify right side
    58,216.72x = 2,896,858,988.25
  5. Step 5: Solve for x
    x = 2,896,858,988.25/58,216.72
  6. Step 6: Final answer
    x = 49,759.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.