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Finding the Fourth Proportional to 26,690.82, 36,832.74 and 14,754

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Solution

The fourth proportional to 26,690.82, 36,832.74 and 14,754 is: 20,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.82 : 36,832.74 = 14,754 : x
  2. Step 2: Convert to fraction form
    26,690.82/36,832.74 = 14,754/x
  3. Step 3: Cross multiply
    26,690.82x = 36,832.74 × 14,754
  4. Step 4: Simplify right side
    26,690.82x = 543,430,245.96
  5. Step 5: Solve for x
    x = 543,430,245.96/26,690.82
  6. Step 6: Final answer
    x = 20,360.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.