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Finding the Fourth Proportional to 15,768.54, 23,656.92 and 5,908.56

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Solution

The fourth proportional to 15,768.54, 23,656.92 and 5,908.56 is: 8,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.54 : 23,656.92 = 5,908.56 : x
  2. Step 2: Convert to fraction form
    15,768.54/23,656.92 = 5,908.56/x
  3. Step 3: Cross multiply
    15,768.54x = 23,656.92 × 5,908.56
  4. Step 4: Simplify right side
    15,768.54x = 139,778,331.24
  5. Step 5: Solve for x
    x = 139,778,331.24/15,768.54
  6. Step 6: Final answer
    x = 8,864.38

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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.