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Finding the Fourth Proportional to 5,651.54, 8,467.14 and 5,318.08

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Solution

The fourth proportional to 5,651.54, 8,467.14 and 5,318.08 is: 7,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.54 : 8,467.14 = 5,318.08 : x
  2. Step 2: Convert to fraction form
    5,651.54/8,467.14 = 5,318.08/x
  3. Step 3: Cross multiply
    5,651.54x = 8,467.14 × 5,318.08
  4. Step 4: Simplify right side
    5,651.54x = 45,028,906.72
  5. Step 5: Solve for x
    x = 45,028,906.72/5,651.54
  6. Step 6: Final answer
    x = 7,967.55

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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.