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Finding the Fourth Proportional to 65,809.93, 98,687.74 and 25,277.33

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Solution

The fourth proportional to 65,809.93, 98,687.74 and 25,277.33 is: 37,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,809.93 : 98,687.74 = 25,277.33 : x
  2. Step 2: Convert to fraction form
    65,809.93/98,687.74 = 25,277.33/x
  3. Step 3: Cross multiply
    65,809.93x = 98,687.74 × 25,277.33
  4. Step 4: Simplify right side
    65,809.93x = 2,494,562,570.93
  5. Step 5: Solve for x
    x = 2,494,562,570.93/65,809.93
  6. Step 6: Final answer
    x = 37,905.56

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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.