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Finding the Fourth Proportional to 33,794.55, 46,636 and 18,686.88

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Solution

The fourth proportional to 33,794.55, 46,636 and 18,686.88 is: 25,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,794.55 : 46,636 = 18,686.88 : x
  2. Step 2: Convert to fraction form
    33,794.55/46,636 = 18,686.88/x
  3. Step 3: Cross multiply
    33,794.55x = 46,636 × 18,686.88
  4. Step 4: Simplify right side
    33,794.55x = 871,481,335.68
  5. Step 5: Solve for x
    x = 871,481,335.68/33,794.55
  6. Step 6: Final answer
    x = 25,787.63

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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.