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Finding the Fourth Proportional to 36,492.39, 50,358.06 and 20,580.21

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Solution

The fourth proportional to 36,492.39, 50,358.06 and 20,580.21 is: 28,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.39 : 50,358.06 = 20,580.21 : x
  2. Step 2: Convert to fraction form
    36,492.39/50,358.06 = 20,580.21/x
  3. Step 3: Cross multiply
    36,492.39x = 50,358.06 × 20,580.21
  4. Step 4: Simplify right side
    36,492.39x = 1,036,379,449.99
  5. Step 5: Solve for x
    x = 1,036,379,449.99/36,492.39
  6. Step 6: Final answer
    x = 28,399.88

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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.