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Finding the Fourth Proportional to 26,262.58, 39,393.85 and 7,794.58

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Solution

The fourth proportional to 26,262.58, 39,393.85 and 7,794.58 is: 11,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,262.58 : 39,393.85 = 7,794.58 : x
  2. Step 2: Convert to fraction form
    26,262.58/39,393.85 = 7,794.58/x
  3. Step 3: Cross multiply
    26,262.58x = 39,393.85 × 7,794.58
  4. Step 4: Simplify right side
    26,262.58x = 307,058,515.33
  5. Step 5: Solve for x
    x = 307,058,515.33/26,262.58
  6. Step 6: Final answer
    x = 11,691.86

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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.