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Finding the Fourth Proportional to 46,608.38, 69,921.70 and 18,523.19

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Solution

The fourth proportional to 46,608.38, 69,921.70 and 18,523.19 is: 27,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,608.38 : 69,921.70 = 18,523.19 : x
  2. Step 2: Convert to fraction form
    46,608.38/69,921.70 = 18,523.19/x
  3. Step 3: Cross multiply
    46,608.38x = 69,921.70 × 18,523.19
  4. Step 4: Simplify right side
    46,608.38x = 1,295,173,062.72
  5. Step 5: Solve for x
    x = 1,295,173,062.72/46,608.38
  6. Step 6: Final answer
    x = 27,788.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.