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Finding the Fourth Proportional to 5,878.44, 8,816.04 and 4,221.18

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Solution

The fourth proportional to 5,878.44, 8,816.04 and 4,221.18 is: 6,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.44 : 8,816.04 = 4,221.18 : x
  2. Step 2: Convert to fraction form
    5,878.44/8,816.04 = 4,221.18/x
  3. Step 3: Cross multiply
    5,878.44x = 8,816.04 × 4,221.18
  4. Step 4: Simplify right side
    5,878.44x = 37,214,091.73
  5. Step 5: Solve for x
    x = 37,214,091.73/5,878.44
  6. Step 6: Final answer
    x = 6,330.61

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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.