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Finding the Fourth Proportional to 8,365.44, 12,550.08 and 2,818.64

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Solution

The fourth proportional to 8,365.44, 12,550.08 and 2,818.64 is: 4,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.44 : 12,550.08 = 2,818.64 : x
  2. Step 2: Convert to fraction form
    8,365.44/12,550.08 = 2,818.64/x
  3. Step 3: Cross multiply
    8,365.44x = 12,550.08 × 2,818.64
  4. Step 4: Simplify right side
    8,365.44x = 35,374,157.49
  5. Step 5: Solve for x
    x = 35,374,157.49/8,365.44
  6. Step 6: Final answer
    x = 4,228.61

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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.