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Finding the Fourth Proportional to 33,798.85, 46,642.17 and 18,691.54

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Solution

The fourth proportional to 33,798.85, 46,642.17 and 18,691.54 is: 25,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,798.85 : 46,642.17 = 18,691.54 : x
  2. Step 2: Convert to fraction form
    33,798.85/46,642.17 = 18,691.54/x
  3. Step 3: Cross multiply
    33,798.85x = 46,642.17 × 18,691.54
  4. Step 4: Simplify right side
    33,798.85x = 871,813,986.24
  5. Step 5: Solve for x
    x = 871,813,986.24/33,798.85
  6. Step 6: Final answer
    x = 25,794.19

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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.