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Finding the Fourth Proportional to 33,710.87, 50,567.07 and 8,751.90

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Solution

The fourth proportional to 33,710.87, 50,567.07 and 8,751.90 is: 13,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,710.87 : 50,567.07 = 8,751.90 : x
  2. Step 2: Convert to fraction form
    33,710.87/50,567.07 = 8,751.90/x
  3. Step 3: Cross multiply
    33,710.87x = 50,567.07 × 8,751.90
  4. Step 4: Simplify right side
    33,710.87x = 442,557,939.93
  5. Step 5: Solve for x
    x = 442,557,939.93/33,710.87
  6. Step 6: Final answer
    x = 13,128.05

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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.