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Finding the Fourth Proportional to 36,513.60, 50,388.60 and 20,598

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Solution

The fourth proportional to 36,513.60, 50,388.60 and 20,598 is: 28,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.60 : 50,388.60 = 20,598 : x
  2. Step 2: Convert to fraction form
    36,513.60/50,388.60 = 20,598/x
  3. Step 3: Cross multiply
    36,513.60x = 50,388.60 × 20,598
  4. Step 4: Simplify right side
    36,513.60x = 1,037,904,382.80
  5. Step 5: Solve for x
    x = 1,037,904,382.80/36,513.60
  6. Step 6: Final answer
    x = 28,425.15

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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.