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Finding the Fourth Proportional to 36,728.01, 50,684.40 and 19,961.01

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Solution

The fourth proportional to 36,728.01, 50,684.40 and 19,961.01 is: 27,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.01 : 50,684.40 = 19,961.01 : x
  2. Step 2: Convert to fraction form
    36,728.01/50,684.40 = 19,961.01/x
  3. Step 3: Cross multiply
    36,728.01x = 50,684.40 × 19,961.01
  4. Step 4: Simplify right side
    36,728.01x = 1,011,711,815.24
  5. Step 5: Solve for x
    x = 1,011,711,815.24/36,728.01
  6. Step 6: Final answer
    x = 27,546.06

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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.