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Finding the Fourth Proportional to 26,704.73, 40,038.63 and 11,704.64

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Solution

The fourth proportional to 26,704.73, 40,038.63 and 11,704.64 is: 17,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,704.73 : 40,038.63 = 11,704.64 : x
  2. Step 2: Convert to fraction form
    26,704.73/40,038.63 = 11,704.64/x
  3. Step 3: Cross multiply
    26,704.73x = 40,038.63 × 11,704.64
  4. Step 4: Simplify right side
    26,704.73x = 468,637,750.24
  5. Step 5: Solve for x
    x = 468,637,750.24/26,704.73
  6. Step 6: Final answer
    x = 17,548.87

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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.