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Finding the Fourth Proportional to 33,600.25, 46,368.39 and 18,696.25

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Solution

The fourth proportional to 33,600.25, 46,368.39 and 18,696.25 is: 25,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,600.25 : 46,368.39 = 18,696.25 : x
  2. Step 2: Convert to fraction form
    33,600.25/46,368.39 = 18,696.25/x
  3. Step 3: Cross multiply
    33,600.25x = 46,368.39 × 18,696.25
  4. Step 4: Simplify right side
    33,600.25x = 866,915,011.54
  5. Step 5: Solve for x
    x = 866,915,011.54/33,600.25
  6. Step 6: Final answer
    x = 25,800.85

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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.