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Finding the Fourth Proportional to 26,826.80, 40,163.40 and 16,458.80

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Solution

The fourth proportional to 26,826.80, 40,163.40 and 16,458.80 is: 24,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.80 : 40,163.40 = 16,458.80 : x
  2. Step 2: Convert to fraction form
    26,826.80/40,163.40 = 16,458.80/x
  3. Step 3: Cross multiply
    26,826.80x = 40,163.40 × 16,458.80
  4. Step 4: Simplify right side
    26,826.80x = 661,041,367.92
  5. Step 5: Solve for x
    x = 661,041,367.92/26,826.80
  6. Step 6: Final answer
    x = 24,641.08

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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.