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Finding the Fourth Proportional to 65,361.23, 98,040.48 and 17,976.11

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Solution

The fourth proportional to 65,361.23, 98,040.48 and 17,976.11 is: 26,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,361.23 : 98,040.48 = 17,976.11 : x
  2. Step 2: Convert to fraction form
    65,361.23/98,040.48 = 17,976.11/x
  3. Step 3: Cross multiply
    65,361.23x = 98,040.48 × 17,976.11
  4. Step 4: Simplify right side
    65,361.23x = 1,762,386,860.41
  5. Step 5: Solve for x
    x = 1,762,386,860.41/65,361.23
  6. Step 6: Final answer
    x = 26,963.80

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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.