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Finding the Fourth Proportional to 8,850.33, 12,213.16 and 4,871.39

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Solution

The fourth proportional to 8,850.33, 12,213.16 and 4,871.39 is: 6,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.33 : 12,213.16 = 4,871.39 : x
  2. Step 2: Convert to fraction form
    8,850.33/12,213.16 = 4,871.39/x
  3. Step 3: Cross multiply
    8,850.33x = 12,213.16 × 4,871.39
  4. Step 4: Simplify right side
    8,850.33x = 59,494,992.25
  5. Step 5: Solve for x
    x = 59,494,992.25/8,850.33
  6. Step 6: Final answer
    x = 6,722.35

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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.