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Finding the Fourth Proportional to 36,505.98, 50,387.43 and 20,599.60

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Solution

The fourth proportional to 36,505.98, 50,387.43 and 20,599.60 is: 28,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.98 : 50,387.43 = 20,599.60 : x
  2. Step 2: Convert to fraction form
    36,505.98/50,387.43 = 20,599.60/x
  3. Step 3: Cross multiply
    36,505.98x = 50,387.43 × 20,599.60
  4. Step 4: Simplify right side
    36,505.98x = 1,037,960,903.03
  5. Step 5: Solve for x
    x = 1,037,960,903.03/36,505.98
  6. Step 6: Final answer
    x = 28,432.63

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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.