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Finding the Fourth Proportional to 32,361.75, 44,648.79 and 18,211.86

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Solution

The fourth proportional to 32,361.75, 44,648.79 and 18,211.86 is: 25,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,361.75 : 44,648.79 = 18,211.86 : x
  2. Step 2: Convert to fraction form
    32,361.75/44,648.79 = 18,211.86/x
  3. Step 3: Cross multiply
    32,361.75x = 44,648.79 × 18,211.86
  4. Step 4: Simplify right side
    32,361.75x = 813,137,512.65
  5. Step 5: Solve for x
    x = 813,137,512.65/32,361.75
  6. Step 6: Final answer
    x = 25,126.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.