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Finding the Fourth Proportional to 36,860.94, 50,865.84 and 21,754.17

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Solution

The fourth proportional to 36,860.94, 50,865.84 and 21,754.17 is: 30,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.94 : 50,865.84 = 21,754.17 : x
  2. Step 2: Convert to fraction form
    36,860.94/50,865.84 = 21,754.17/x
  3. Step 3: Cross multiply
    36,860.94x = 50,865.84 × 21,754.17
  4. Step 4: Simplify right side
    36,860.94x = 1,106,544,130.55
  5. Step 5: Solve for x
    x = 1,106,544,130.55/36,860.94
  6. Step 6: Final answer
    x = 30,019.42

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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.