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Finding the Fourth Proportional to 35,446.76, 48,912.08 and 20,337.42

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Solution

The fourth proportional to 35,446.76, 48,912.08 and 20,337.42 is: 28,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,446.76 : 48,912.08 = 20,337.42 : x
  2. Step 2: Convert to fraction form
    35,446.76/48,912.08 = 20,337.42/x
  3. Step 3: Cross multiply
    35,446.76x = 48,912.08 × 20,337.42
  4. Step 4: Simplify right side
    35,446.76x = 994,745,412.35
  5. Step 5: Solve for x
    x = 994,745,412.35/35,446.76
  6. Step 6: Final answer
    x = 28,063.09

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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.