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Finding the Fourth Proportional to 36,756.96, 50,724.36 and 20,403.98

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Solution

The fourth proportional to 36,756.96, 50,724.36 and 20,403.98 is: 28,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.96 : 50,724.36 = 20,403.98 : x
  2. Step 2: Convert to fraction form
    36,756.96/50,724.36 = 20,403.98/x
  3. Step 3: Cross multiply
    36,756.96x = 50,724.36 × 20,403.98
  4. Step 4: Simplify right side
    36,756.96x = 1,034,978,573.33
  5. Step 5: Solve for x
    x = 1,034,978,573.33/36,756.96
  6. Step 6: Final answer
    x = 28,157.35

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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.