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Finding the Fourth Proportional to 33,398.64, 46,090.11 and 18,494.64

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Solution

The fourth proportional to 33,398.64, 46,090.11 and 18,494.64 is: 25,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.64 : 46,090.11 = 18,494.64 : x
  2. Step 2: Convert to fraction form
    33,398.64/46,090.11 = 18,494.64/x
  3. Step 3: Cross multiply
    33,398.64x = 46,090.11 × 18,494.64
  4. Step 4: Simplify right side
    33,398.64x = 852,419,992.01
  5. Step 5: Solve for x
    x = 852,419,992.01/33,398.64
  6. Step 6: Final answer
    x = 25,522.60

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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.