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Finding the Fourth Proportional to 18,245.30, 27,314.62 and 16,494.32

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Solution

The fourth proportional to 18,245.30, 27,314.62 and 16,494.32 is: 24,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.30 : 27,314.62 = 16,494.32 : x
  2. Step 2: Convert to fraction form
    18,245.30/27,314.62 = 16,494.32/x
  3. Step 3: Cross multiply
    18,245.30x = 27,314.62 × 16,494.32
  4. Step 4: Simplify right side
    18,245.30x = 450,536,110.01
  5. Step 5: Solve for x
    x = 450,536,110.01/18,245.30
  6. Step 6: Final answer
    x = 24,693.28

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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.