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Finding the Fourth Proportional to 8,902.82, 12,285.77 and 4,923.94

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Solution

The fourth proportional to 8,902.82, 12,285.77 and 4,923.94 is: 6,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.82 : 12,285.77 = 4,923.94 : x
  2. Step 2: Convert to fraction form
    8,902.82/12,285.77 = 4,923.94/x
  3. Step 3: Cross multiply
    8,902.82x = 12,285.77 × 4,923.94
  4. Step 4: Simplify right side
    8,902.82x = 60,494,394.33
  5. Step 5: Solve for x
    x = 60,494,394.33/8,902.82
  6. Step 6: Final answer
    x = 6,794.97

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1.5x scale

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.