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Finding the Fourth Proportional to 13,063.08, 18,022.60 and 8,350.08

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Solution

The fourth proportional to 13,063.08, 18,022.60 and 8,350.08 is: 11,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.08 : 18,022.60 = 8,350.08 : x
  2. Step 2: Convert to fraction form
    13,063.08/18,022.60 = 8,350.08/x
  3. Step 3: Cross multiply
    13,063.08x = 18,022.60 × 8,350.08
  4. Step 4: Simplify right side
    13,063.08x = 150,490,151.81
  5. Step 5: Solve for x
    x = 150,490,151.81/13,063.08
  6. Step 6: Final answer
    x = 11,520.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.