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Finding the Fourth Proportional to 37,240.93, 51,392.70 and 20,245.31

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Solution

The fourth proportional to 37,240.93, 51,392.70 and 20,245.31 is: 27,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,240.93 : 51,392.70 = 20,245.31 : x
  2. Step 2: Convert to fraction form
    37,240.93/51,392.70 = 20,245.31/x
  3. Step 3: Cross multiply
    37,240.93x = 51,392.70 × 20,245.31
  4. Step 4: Simplify right side
    37,240.93x = 1,040,460,886.27
  5. Step 5: Solve for x
    x = 1,040,460,886.27/37,240.93
  6. Step 6: Final answer
    x = 27,938.64

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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.