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Finding the Fourth Proportional to 6,219.54, 9,327.42 and 2,929.32

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Solution

The fourth proportional to 6,219.54, 9,327.42 and 2,929.32 is: 4,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.54 : 9,327.42 = 2,929.32 : x
  2. Step 2: Convert to fraction form
    6,219.54/9,327.42 = 2,929.32/x
  3. Step 3: Cross multiply
    6,219.54x = 9,327.42 × 2,929.32
  4. Step 4: Simplify right side
    6,219.54x = 27,322,997.95
  5. Step 5: Solve for x
    x = 27,322,997.95/6,219.54
  6. Step 6: Final answer
    x = 4,393.09

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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.