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Finding the Fourth Proportional to 7,866.92, 11,812.94 and 4,582.37

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Solution

The fourth proportional to 7,866.92, 11,812.94 and 4,582.37 is: 6,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.92 : 11,812.94 = 4,582.37 : x
  2. Step 2: Convert to fraction form
    7,866.92/11,812.94 = 4,582.37/x
  3. Step 3: Cross multiply
    7,866.92x = 11,812.94 × 4,582.37
  4. Step 4: Simplify right side
    7,866.92x = 54,131,261.87
  5. Step 5: Solve for x
    x = 54,131,261.87/7,866.92
  6. Step 6: Final answer
    x = 6,880.87

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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.