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Finding the Fourth Proportional to 57,951.75, 86,910.35 and 22,406.79

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Solution

The fourth proportional to 57,951.75, 86,910.35 and 22,406.79 is: 33,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,951.75 : 86,910.35 = 22,406.79 : x
  2. Step 2: Convert to fraction form
    57,951.75/86,910.35 = 22,406.79/x
  3. Step 3: Cross multiply
    57,951.75x = 86,910.35 × 22,406.79
  4. Step 4: Simplify right side
    57,951.75x = 1,947,381,849.24
  5. Step 5: Solve for x
    x = 1,947,381,849.24/57,951.75
  6. Step 6: Final answer
    x = 33,603.50

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1.5x scale

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.