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Finding the Fourth Proportional to 8,806.92, 13,203.06 and 4,124.64

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Solution

The fourth proportional to 8,806.92, 13,203.06 and 4,124.64 is: 6,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.92 : 13,203.06 = 4,124.64 : x
  2. Step 2: Convert to fraction form
    8,806.92/13,203.06 = 4,124.64/x
  3. Step 3: Cross multiply
    8,806.92x = 13,203.06 × 4,124.64
  4. Step 4: Simplify right side
    8,806.92x = 54,457,869.40
  5. Step 5: Solve for x
    x = 54,457,869.40/8,806.92
  6. Step 6: Final answer
    x = 6,183.53

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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.