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Finding the Fourth Proportional to 26,763.86, 40,145.43 and 8,295.86

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Solution

The fourth proportional to 26,763.86, 40,145.43 and 8,295.86 is: 12,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763.86 : 40,145.43 = 8,295.86 : x
  2. Step 2: Convert to fraction form
    26,763.86/40,145.43 = 8,295.86/x
  3. Step 3: Cross multiply
    26,763.86x = 40,145.43 × 8,295.86
  4. Step 4: Simplify right side
    26,763.86x = 333,040,866.92
  5. Step 5: Solve for x
    x = 333,040,866.92/26,763.86
  6. Step 6: Final answer
    x = 12,443.68

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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.