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Finding the Fourth Proportional to 36,826.40, 55,124.40 and 26,458.40

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Solution

The fourth proportional to 36,826.40, 55,124.40 and 26,458.40 is: 39,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,826.40 : 55,124.40 = 26,458.40 : x
  2. Step 2: Convert to fraction form
    36,826.40/55,124.40 = 26,458.40/x
  3. Step 3: Cross multiply
    36,826.40x = 55,124.40 × 26,458.40
  4. Step 4: Simplify right side
    36,826.40x = 1,458,503,424.96
  5. Step 5: Solve for x
    x = 1,458,503,424.96/36,826.40
  6. Step 6: Final answer
    x = 39,604.83

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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.