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Finding the Fourth Proportional to 5,366.54, 8,038.73 and 3,981.44

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Solution

The fourth proportional to 5,366.54, 8,038.73 and 3,981.44 is: 5,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.54 : 8,038.73 = 3,981.44 : x
  2. Step 2: Convert to fraction form
    5,366.54/8,038.73 = 3,981.44/x
  3. Step 3: Cross multiply
    5,366.54x = 8,038.73 × 3,981.44
  4. Step 4: Simplify right side
    5,366.54x = 32,005,661.07
  5. Step 5: Solve for x
    x = 32,005,661.07/5,366.54
  6. Step 6: Final answer
    x = 5,963.93

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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.