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Finding the Fourth Proportional to 50,790.71, 70,102.84 and 33,795.66

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Solution

The fourth proportional to 50,790.71, 70,102.84 and 33,795.66 is: 46,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,790.71 : 70,102.84 = 33,795.66 : x
  2. Step 2: Convert to fraction form
    50,790.71/70,102.84 = 33,795.66/x
  3. Step 3: Cross multiply
    50,790.71x = 70,102.84 × 33,795.66
  4. Step 4: Simplify right side
    50,790.71x = 2,369,171,745.67
  5. Step 5: Solve for x
    x = 2,369,171,745.67/50,790.71
  6. Step 6: Final answer
    x = 46,645.77

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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.