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Finding the Fourth Proportional to 54,551.25, 81,827.01 and 17,615.25

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Solution

The fourth proportional to 54,551.25, 81,827.01 and 17,615.25 is: 26,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,551.25 : 81,827.01 = 17,615.25 : x
  2. Step 2: Convert to fraction form
    54,551.25/81,827.01 = 17,615.25/x
  3. Step 3: Cross multiply
    54,551.25x = 81,827.01 × 17,615.25
  4. Step 4: Simplify right side
    54,551.25x = 1,441,403,237.90
  5. Step 5: Solve for x
    x = 1,441,403,237.90/54,551.25
  6. Step 6: Final answer
    x = 26,422.92

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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.