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Finding the Fourth Proportional to 36,337.96, 50,146.14 and 21,230.20

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Solution

The fourth proportional to 36,337.96, 50,146.14 and 21,230.20 is: 29,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,337.96 : 50,146.14 = 21,230.20 : x
  2. Step 2: Convert to fraction form
    36,337.96/50,146.14 = 21,230.20/x
  3. Step 3: Cross multiply
    36,337.96x = 50,146.14 × 21,230.20
  4. Step 4: Simplify right side
    36,337.96x = 1,064,612,581.43
  5. Step 5: Solve for x
    x = 1,064,612,581.43/36,337.96
  6. Step 6: Final answer
    x = 29,297.53

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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.