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Finding the Fourth Proportional to 6,467.18, 8,924.79 and 6,243.67

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Solution

The fourth proportional to 6,467.18, 8,924.79 and 6,243.67 is: 8,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.18 : 8,924.79 = 6,243.67 : x
  2. Step 2: Convert to fraction form
    6,467.18/8,924.79 = 6,243.67/x
  3. Step 3: Cross multiply
    6,467.18x = 8,924.79 × 6,243.67
  4. Step 4: Simplify right side
    6,467.18x = 55,723,398.96
  5. Step 5: Solve for x
    x = 55,723,398.96/6,467.18
  6. Step 6: Final answer
    x = 8,616.34

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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.