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Finding the Fourth Proportional to 36,871.01, 50,870.06 and 21,768.76

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Solution

The fourth proportional to 36,871.01, 50,870.06 and 21,768.76 is: 30,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871.01 : 50,870.06 = 21,768.76 : x
  2. Step 2: Convert to fraction form
    36,871.01/50,870.06 = 21,768.76/x
  3. Step 3: Cross multiply
    36,871.01x = 50,870.06 × 21,768.76
  4. Step 4: Simplify right side
    36,871.01x = 1,107,378,163.70
  5. Step 5: Solve for x
    x = 1,107,378,163.70/36,871.01
  6. Step 6: Final answer
    x = 30,033.85

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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.