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Finding the Fourth Proportional to 26,485.17, 39,700.07 and 19,454.73

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Solution

The fourth proportional to 26,485.17, 39,700.07 and 19,454.73 is: 29,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.17 : 39,700.07 = 19,454.73 : x
  2. Step 2: Convert to fraction form
    26,485.17/39,700.07 = 19,454.73/x
  3. Step 3: Cross multiply
    26,485.17x = 39,700.07 × 19,454.73
  4. Step 4: Simplify right side
    26,485.17x = 772,354,045.56
  5. Step 5: Solve for x
    x = 772,354,045.56/26,485.17
  6. Step 6: Final answer
    x = 29,161.76

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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.