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Finding the Fourth Proportional to 36,855.51, 50,860.49 and 20,088.51

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Solution

The fourth proportional to 36,855.51, 50,860.49 and 20,088.51 is: 27,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,855.51 : 50,860.49 = 20,088.51 : x
  2. Step 2: Convert to fraction form
    36,855.51/50,860.49 = 20,088.51/x
  3. Step 3: Cross multiply
    36,855.51x = 50,860.49 × 20,088.51
  4. Step 4: Simplify right side
    36,855.51x = 1,021,711,361.53
  5. Step 5: Solve for x
    x = 1,021,711,361.53/36,855.51
  6. Step 6: Final answer
    x = 27,722.08

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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.