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Finding the Fourth Proportional to 4,615.21, 6,922.06 and 1,327.56

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Solution

The fourth proportional to 4,615.21, 6,922.06 and 1,327.56 is: 1,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.21 : 6,922.06 = 1,327.56 : x
  2. Step 2: Convert to fraction form
    4,615.21/6,922.06 = 1,327.56/x
  3. Step 3: Cross multiply
    4,615.21x = 6,922.06 × 1,327.56
  4. Step 4: Simplify right side
    4,615.21x = 9,189,449.97
  5. Step 5: Solve for x
    x = 9,189,449.97/4,615.21
  6. Step 6: Final answer
    x = 1,991.12

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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.