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Finding the Fourth Proportional to 36,856.69, 50,862.38 and 20,942.01

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Solution

The fourth proportional to 36,856.69, 50,862.38 and 20,942.01 is: 28,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,856.69 : 50,862.38 = 20,942.01 : x
  2. Step 2: Convert to fraction form
    36,856.69/50,862.38 = 20,942.01/x
  3. Step 3: Cross multiply
    36,856.69x = 50,862.38 × 20,942.01
  4. Step 4: Simplify right side
    36,856.69x = 1,065,160,365.87
  5. Step 5: Solve for x
    x = 1,065,160,365.87/36,856.69
  6. Step 6: Final answer
    x = 28,900.06

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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.