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Finding the Fourth Proportional to 26,510.72, 39,741.36 and 8,968.34

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Solution

The fourth proportional to 26,510.72, 39,741.36 and 8,968.34 is: 13,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.72 : 39,741.36 = 8,968.34 : x
  2. Step 2: Convert to fraction form
    26,510.72/39,741.36 = 8,968.34/x
  3. Step 3: Cross multiply
    26,510.72x = 39,741.36 × 8,968.34
  4. Step 4: Simplify right side
    26,510.72x = 356,414,028.54
  5. Step 5: Solve for x
    x = 356,414,028.54/26,510.72
  6. Step 6: Final answer
    x = 13,444.15

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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.