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Finding the Fourth Proportional to 7,652.21, 11,474.01 and 2,652.24

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Solution

The fourth proportional to 7,652.21, 11,474.01 and 2,652.24 is: 3,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.21 : 11,474.01 = 2,652.24 : x
  2. Step 2: Convert to fraction form
    7,652.21/11,474.01 = 2,652.24/x
  3. Step 3: Cross multiply
    7,652.21x = 11,474.01 × 2,652.24
  4. Step 4: Simplify right side
    7,652.21x = 30,431,878.77
  5. Step 5: Solve for x
    x = 30,431,878.77/7,652.21
  6. Step 6: Final answer
    x = 3,976.87

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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.