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Finding the Fourth Proportional to 26,393.70, 39,590.97 and 8,863.68

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Solution

The fourth proportional to 26,393.70, 39,590.97 and 8,863.68 is: 13,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.70 : 39,590.97 = 8,863.68 : x
  2. Step 2: Convert to fraction form
    26,393.70/39,590.97 = 8,863.68/x
  3. Step 3: Cross multiply
    26,393.70x = 39,590.97 × 8,863.68
  4. Step 4: Simplify right side
    26,393.70x = 350,921,688.97
  5. Step 5: Solve for x
    x = 350,921,688.97/26,393.70
  6. Step 6: Final answer
    x = 13,295.66

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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.