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Finding the Fourth Proportional to 8,803.99, 13,202.84 and 4,123.20

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Solution

The fourth proportional to 8,803.99, 13,202.84 and 4,123.20 is: 6,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.99 : 13,202.84 = 4,123.20 : x
  2. Step 2: Convert to fraction form
    8,803.99/13,202.84 = 4,123.20/x
  3. Step 3: Cross multiply
    8,803.99x = 13,202.84 × 4,123.20
  4. Step 4: Simplify right side
    8,803.99x = 54,437,949.89
  5. Step 5: Solve for x
    x = 54,437,949.89/8,803.99
  6. Step 6: Final answer
    x = 6,183.33

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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.