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Finding the Fourth Proportional to 8,823.54, 13,220.73 and 5,902.68

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Solution

The fourth proportional to 8,823.54, 13,220.73 and 5,902.68 is: 8,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.54 : 13,220.73 = 5,902.68 : x
  2. Step 2: Convert to fraction form
    8,823.54/13,220.73 = 5,902.68/x
  3. Step 3: Cross multiply
    8,823.54x = 13,220.73 × 5,902.68
  4. Step 4: Simplify right side
    8,823.54x = 78,037,738.56
  5. Step 5: Solve for x
    x = 78,037,738.56/8,823.54
  6. Step 6: Final answer
    x = 8,844.27

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1.5x scale

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.