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Finding the Fourth Proportional to 36,611.87, 50,526.48 and 20,697.71

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Solution

The fourth proportional to 36,611.87, 50,526.48 and 20,697.71 is: 28,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.87 : 50,526.48 = 20,697.71 : x
  2. Step 2: Convert to fraction form
    36,611.87/50,526.48 = 20,697.71/x
  3. Step 3: Cross multiply
    36,611.87x = 50,526.48 × 20,697.71
  4. Step 4: Simplify right side
    36,611.87x = 1,045,782,430.36
  5. Step 5: Solve for x
    x = 1,045,782,430.36/36,611.87
  6. Step 6: Final answer
    x = 28,564.03

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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.