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Finding the Fourth Proportional to 7,361.16, 11,043.12 and 2,432.22

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Solution

The fourth proportional to 7,361.16, 11,043.12 and 2,432.22 is: 3,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.16 : 11,043.12 = 2,432.22 : x
  2. Step 2: Convert to fraction form
    7,361.16/11,043.12 = 2,432.22/x
  3. Step 3: Cross multiply
    7,361.16x = 11,043.12 × 2,432.22
  4. Step 4: Simplify right side
    7,361.16x = 26,859,297.33
  5. Step 5: Solve for x
    x = 26,859,297.33/7,361.16
  6. Step 6: Final answer
    x = 3,648.79

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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.