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Finding the Fourth Proportional to 28,993.83, 43,477.03 and 11,232.81

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Solution

The fourth proportional to 28,993.83, 43,477.03 and 11,232.81 is: 16,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.83 : 43,477.03 = 11,232.81 : x
  2. Step 2: Convert to fraction form
    28,993.83/43,477.03 = 11,232.81/x
  3. Step 3: Cross multiply
    28,993.83x = 43,477.03 × 11,232.81
  4. Step 4: Simplify right side
    28,993.83x = 488,369,217.35
  5. Step 5: Solve for x
    x = 488,369,217.35/28,993.83
  6. Step 6: Final answer
    x = 16,843.90

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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.