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Finding the Fourth Proportional to 27,207.97, 40,820.77 and 13,347.25

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Solution

The fourth proportional to 27,207.97, 40,820.77 and 13,347.25 is: 20,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,207.97 : 40,820.77 = 13,347.25 : x
  2. Step 2: Convert to fraction form
    27,207.97/40,820.77 = 13,347.25/x
  3. Step 3: Cross multiply
    27,207.97x = 40,820.77 × 13,347.25
  4. Step 4: Simplify right side
    27,207.97x = 544,844,818.28
  5. Step 5: Solve for x
    x = 544,844,818.28/27,207.97
  6. Step 6: Final answer
    x = 20,025.20

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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.