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Finding the Fourth Proportional to 26,793.94, 40,158.67 and 9,913.49

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Solution

The fourth proportional to 26,793.94, 40,158.67 and 9,913.49 is: 14,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,793.94 : 40,158.67 = 9,913.49 : x
  2. Step 2: Convert to fraction form
    26,793.94/40,158.67 = 9,913.49/x
  3. Step 3: Cross multiply
    26,793.94x = 40,158.67 × 9,913.49
  4. Step 4: Simplify right side
    26,793.94x = 398,112,323.10
  5. Step 5: Solve for x
    x = 398,112,323.10/26,793.94
  6. Step 6: Final answer
    x = 14,858.30

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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.