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Finding the Fourth Proportional to 65,485.54, 98,172.78 and 23,352.94

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Solution

The fourth proportional to 65,485.54, 98,172.78 and 23,352.94 is: 35,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,485.54 : 98,172.78 = 23,352.94 : x
  2. Step 2: Convert to fraction form
    65,485.54/98,172.78 = 23,352.94/x
  3. Step 3: Cross multiply
    65,485.54x = 98,172.78 × 23,352.94
  4. Step 4: Simplify right side
    65,485.54x = 2,292,623,040.97
  5. Step 5: Solve for x
    x = 2,292,623,040.97/65,485.54
  6. Step 6: Final answer
    x = 35,009.61

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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.