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Finding the Fourth Proportional to 52,077.37, 71,866.39 and 28,203.49

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Solution

The fourth proportional to 52,077.37, 71,866.39 and 28,203.49 is: 38,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.37 : 71,866.39 = 28,203.49 : x
  2. Step 2: Convert to fraction form
    52,077.37/71,866.39 = 28,203.49/x
  3. Step 3: Cross multiply
    52,077.37x = 71,866.39 × 28,203.49
  4. Step 4: Simplify right side
    52,077.37x = 2,026,883,011.70
  5. Step 5: Solve for x
    x = 2,026,883,011.70/52,077.37
  6. Step 6: Final answer
    x = 38,920.61

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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.