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Finding the Fourth Proportional to 52,550.39, 72,519.51 and 33,687.50

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Solution

The fourth proportional to 52,550.39, 72,519.51 and 33,687.50 is: 46,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.39 : 72,519.51 = 33,687.50 : x
  2. Step 2: Convert to fraction form
    52,550.39/72,519.51 = 33,687.50/x
  3. Step 3: Cross multiply
    52,550.39x = 72,519.51 × 33,687.50
  4. Step 4: Simplify right side
    52,550.39x = 2,443,000,993.13
  5. Step 5: Solve for x
    x = 2,443,000,993.13/52,550.39
  6. Step 6: Final answer
    x = 46,488.73

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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.