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Finding the Fourth Proportional to 33,399, 46,091.16 and 18,291.40

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Solution

The fourth proportional to 33,399, 46,091.16 and 18,291.40 is: 25,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399 : 46,091.16 = 18,291.40 : x
  2. Step 2: Convert to fraction form
    33,399/46,091.16 = 18,291.40/x
  3. Step 3: Cross multiply
    33,399x = 46,091.16 × 18,291.40
  4. Step 4: Simplify right side
    33,399x = 843,071,844.02
  5. Step 5: Solve for x
    x = 843,071,844.02/33,399
  6. Step 6: Final answer
    x = 25,242.43

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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.