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Finding the Fourth Proportional to 36,816.32, 50,808.32 and 20,900.48

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Solution

The fourth proportional to 36,816.32, 50,808.32 and 20,900.48 is: 28,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,816.32 : 50,808.32 = 20,900.48 : x
  2. Step 2: Convert to fraction form
    36,816.32/50,808.32 = 20,900.48/x
  3. Step 3: Cross multiply
    36,816.32x = 50,808.32 × 20,900.48
  4. Step 4: Simplify right side
    36,816.32x = 1,061,918,275.99
  5. Step 5: Solve for x
    x = 1,061,918,275.99/36,816.32
  6. Step 6: Final answer
    x = 28,843.68

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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.