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Finding the Fourth Proportional to 36,885.84, 50,902.74 and 20,118.84

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Solution

The fourth proportional to 36,885.84, 50,902.74 and 20,118.84 is: 27,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.84 : 50,902.74 = 20,118.84 : x
  2. Step 2: Convert to fraction form
    36,885.84/50,902.74 = 20,118.84/x
  3. Step 3: Cross multiply
    36,885.84x = 50,902.74 × 20,118.84
  4. Step 4: Simplify right side
    36,885.84x = 1,024,104,081.62
  5. Step 5: Solve for x
    x = 1,024,104,081.62/36,885.84
  6. Step 6: Final answer
    x = 27,764.15

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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.