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Finding the Fourth Proportional to 33,838.25, 46,696.79 and 18,934.25

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Solution

The fourth proportional to 33,838.25, 46,696.79 and 18,934.25 is: 26,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,838.25 : 46,696.79 = 18,934.25 : x
  2. Step 2: Convert to fraction form
    33,838.25/46,696.79 = 18,934.25/x
  3. Step 3: Cross multiply
    33,838.25x = 46,696.79 × 18,934.25
  4. Step 4: Simplify right side
    33,838.25x = 884,168,601.39
  5. Step 5: Solve for x
    x = 884,168,601.39/33,838.25
  6. Step 6: Final answer
    x = 26,129.27

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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.