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Finding the Fourth Proportional to 57,361.50, 79,158.87 and 32,211

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Solution

The fourth proportional to 57,361.50, 79,158.87 and 32,211 is: 44,451.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.50 : 79,158.87 = 32,211 : x
  2. Step 2: Convert to fraction form
    57,361.50/79,158.87 = 32,211/x
  3. Step 3: Cross multiply
    57,361.50x = 79,158.87 × 32,211
  4. Step 4: Simplify right side
    57,361.50x = 2,549,786,361.57
  5. Step 5: Solve for x
    x = 2,549,786,361.57/57,361.50
  6. Step 6: Final answer
    x = 44,451.18

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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.