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Finding the Fourth Proportional to 36,334.14, 50,139.50 and 21,228.20

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Solution

The fourth proportional to 36,334.14, 50,139.50 and 21,228.20 is: 29,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.14 : 50,139.50 = 21,228.20 : x
  2. Step 2: Convert to fraction form
    36,334.14/50,139.50 = 21,228.20/x
  3. Step 3: Cross multiply
    36,334.14x = 50,139.50 × 21,228.20
  4. Step 4: Simplify right side
    36,334.14x = 1,064,371,333.90
  5. Step 5: Solve for x
    x = 1,064,371,333.90/36,334.14
  6. Step 6: Final answer
    x = 29,293.97

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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.