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Finding the Fourth Proportional to 8,936.73, 12,336.64 and 6,258.48

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Solution

The fourth proportional to 8,936.73, 12,336.64 and 6,258.48 is: 8,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.73 : 12,336.64 = 6,258.48 : x
  2. Step 2: Convert to fraction form
    8,936.73/12,336.64 = 6,258.48/x
  3. Step 3: Cross multiply
    8,936.73x = 12,336.64 × 6,258.48
  4. Step 4: Simplify right side
    8,936.73x = 77,208,614.71
  5. Step 5: Solve for x
    x = 77,208,614.71/8,936.73
  6. Step 6: Final answer
    x = 8,639.47

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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.