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Finding the Fourth Proportional to 33,907.51, 46,791.88 and 18,800.20

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Solution

The fourth proportional to 33,907.51, 46,791.88 and 18,800.20 is: 25,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,907.51 : 46,791.88 = 18,800.20 : x
  2. Step 2: Convert to fraction form
    33,907.51/46,791.88 = 18,800.20/x
  3. Step 3: Cross multiply
    33,907.51x = 46,791.88 × 18,800.20
  4. Step 4: Simplify right side
    33,907.51x = 879,696,713.87
  5. Step 5: Solve for x
    x = 879,696,713.87/33,907.51
  6. Step 6: Final answer
    x = 25,944.01

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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.