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Finding the Fourth Proportional to 33,894.81, 46,777.65 and 18,792.21

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Solution

The fourth proportional to 33,894.81, 46,777.65 and 18,792.21 is: 25,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,894.81 : 46,777.65 = 18,792.21 : x
  2. Step 2: Convert to fraction form
    33,894.81/46,777.65 = 18,792.21/x
  3. Step 3: Cross multiply
    33,894.81x = 46,777.65 × 18,792.21
  4. Step 4: Simplify right side
    33,894.81x = 879,055,527.05
  5. Step 5: Solve for x
    x = 879,055,527.05/33,894.81
  6. Step 6: Final answer
    x = 25,934.81

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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.