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Finding the Fourth Proportional to 33,830.52, 46,684.93 and 18,723.21

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Solution

The fourth proportional to 33,830.52, 46,684.93 and 18,723.21 is: 25,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.52 : 46,684.93 = 18,723.21 : x
  2. Step 2: Convert to fraction form
    33,830.52/46,684.93 = 18,723.21/x
  3. Step 3: Cross multiply
    33,830.52x = 46,684.93 × 18,723.21
  4. Step 4: Simplify right side
    33,830.52x = 874,091,748.23
  5. Step 5: Solve for x
    x = 874,091,748.23/33,830.52
  6. Step 6: Final answer
    x = 25,837.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.