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Finding the Fourth Proportional to 36,892.60, 55,331.70 and 12,268.60

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Solution

The fourth proportional to 36,892.60, 55,331.70 and 12,268.60 is: 18,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.60 : 55,331.70 = 12,268.60 : x
  2. Step 2: Convert to fraction form
    36,892.60/55,331.70 = 12,268.60/x
  3. Step 3: Cross multiply
    36,892.60x = 55,331.70 × 12,268.60
  4. Step 4: Simplify right side
    36,892.60x = 678,842,494.62
  5. Step 5: Solve for x
    x = 678,842,494.62/36,892.60
  6. Step 6: Final answer
    x = 18,400.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.