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Finding the Fourth Proportional to 33,709.87, 50,565.57 and 8,750.90

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Solution

The fourth proportional to 33,709.87, 50,565.57 and 8,750.90 is: 13,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,709.87 : 50,565.57 = 8,750.90 : x
  2. Step 2: Convert to fraction form
    33,709.87/50,565.57 = 8,750.90/x
  3. Step 3: Cross multiply
    33,709.87x = 50,565.57 × 8,750.90
  4. Step 4: Simplify right side
    33,709.87x = 442,494,246.51
  5. Step 5: Solve for x
    x = 442,494,246.51/33,709.87
  6. Step 6: Final answer
    x = 13,126.55

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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.