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Finding the Fourth Proportional to 26,648.40, 39,972.60 and 15,567.60

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Solution

The fourth proportional to 26,648.40, 39,972.60 and 15,567.60 is: 23,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.40 : 39,972.60 = 15,567.60 : x
  2. Step 2: Convert to fraction form
    26,648.40/39,972.60 = 15,567.60/x
  3. Step 3: Cross multiply
    26,648.40x = 39,972.60 × 15,567.60
  4. Step 4: Simplify right side
    26,648.40x = 622,277,447.76
  5. Step 5: Solve for x
    x = 622,277,447.76/26,648.40
  6. Step 6: Final answer
    x = 23,351.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.