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Finding the Fourth Proportional to 8,552.96, 12,831.28 and 2,709.44

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Solution

The fourth proportional to 8,552.96, 12,831.28 and 2,709.44 is: 4,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.96 : 12,831.28 = 2,709.44 : x
  2. Step 2: Convert to fraction form
    8,552.96/12,831.28 = 2,709.44/x
  3. Step 3: Cross multiply
    8,552.96x = 12,831.28 × 2,709.44
  4. Step 4: Simplify right side
    8,552.96x = 34,765,583.28
  5. Step 5: Solve for x
    x = 34,765,583.28/8,552.96
  6. Step 6: Final answer
    x = 4,064.74

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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.