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Finding the Fourth Proportional to 36,655.98, 50,580.99 and 20,524.20

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Solution

The fourth proportional to 36,655.98, 50,580.99 and 20,524.20 is: 28,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.98 : 50,580.99 = 20,524.20 : x
  2. Step 2: Convert to fraction form
    36,655.98/50,580.99 = 20,524.20/x
  3. Step 3: Cross multiply
    36,655.98x = 50,580.99 × 20,524.20
  4. Step 4: Simplify right side
    36,655.98x = 1,038,134,354.96
  5. Step 5: Solve for x
    x = 1,038,134,354.96/36,655.98
  6. Step 6: Final answer
    x = 28,321.01

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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.