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Finding the Fourth Proportional to 36,533.99, 50,416.98 and 20,401.22

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Solution

The fourth proportional to 36,533.99, 50,416.98 and 20,401.22 is: 28,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,533.99 : 50,416.98 = 20,401.22 : x
  2. Step 2: Convert to fraction form
    36,533.99/50,416.98 = 20,401.22/x
  3. Step 3: Cross multiply
    36,533.99x = 50,416.98 × 20,401.22
  4. Step 4: Simplify right side
    36,533.99x = 1,028,567,900.72
  5. Step 5: Solve for x
    x = 1,028,567,900.72/36,533.99
  6. Step 6: Final answer
    x = 28,153.72

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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.