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Finding the Fourth Proportional to 36,492.68, 50,358.36 and 20,578.62

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Solution

The fourth proportional to 36,492.68, 50,358.36 and 20,578.62 is: 28,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.68 : 50,358.36 = 20,578.62 : x
  2. Step 2: Convert to fraction form
    36,492.68/50,358.36 = 20,578.62/x
  3. Step 3: Cross multiply
    36,492.68x = 50,358.36 × 20,578.62
  4. Step 4: Simplify right side
    36,492.68x = 1,036,305,554.26
  5. Step 5: Solve for x
    x = 1,036,305,554.26/36,492.68
  6. Step 6: Final answer
    x = 28,397.63

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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.