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Finding the Fourth Proportional to 8,889.22, 13,336.89 and 3,962.26

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Solution

The fourth proportional to 8,889.22, 13,336.89 and 3,962.26 is: 5,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.22 : 13,336.89 = 3,962.26 : x
  2. Step 2: Convert to fraction form
    8,889.22/13,336.89 = 3,962.26/x
  3. Step 3: Cross multiply
    8,889.22x = 13,336.89 × 3,962.26
  4. Step 4: Simplify right side
    8,889.22x = 52,844,225.77
  5. Step 5: Solve for x
    x = 52,844,225.77/8,889.22
  6. Step 6: Final answer
    x = 5,944.75

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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.