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Finding the Fourth Proportional to 8,914.42, 13,363.41 and 4,236.64

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Solution

The fourth proportional to 8,914.42, 13,363.41 and 4,236.64 is: 6,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.42 : 13,363.41 = 4,236.64 : x
  2. Step 2: Convert to fraction form
    8,914.42/13,363.41 = 4,236.64/x
  3. Step 3: Cross multiply
    8,914.42x = 13,363.41 × 4,236.64
  4. Step 4: Simplify right side
    8,914.42x = 56,615,957.34
  5. Step 5: Solve for x
    x = 56,615,957.34/8,914.42
  6. Step 6: Final answer
    x = 6,351.05

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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.