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Finding the Fourth Proportional to 13,410.85, 20,025.95 and 10,950.48

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Solution

The fourth proportional to 13,410.85, 20,025.95 and 10,950.48 is: 16,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.85 : 20,025.95 = 10,950.48 : x
  2. Step 2: Convert to fraction form
    13,410.85/20,025.95 = 10,950.48/x
  3. Step 3: Cross multiply
    13,410.85x = 20,025.95 × 10,950.48
  4. Step 4: Simplify right side
    13,410.85x = 219,293,764.96
  5. Step 5: Solve for x
    x = 219,293,764.96/13,410.85
  6. Step 6: Final answer
    x = 16,351.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.