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Finding the Fourth Proportional to 26,295.78, 39,442.92 and 7,575.90

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Solution

The fourth proportional to 26,295.78, 39,442.92 and 7,575.90 is: 11,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,295.78 : 39,442.92 = 7,575.90 : x
  2. Step 2: Convert to fraction form
    26,295.78/39,442.92 = 7,575.90/x
  3. Step 3: Cross multiply
    26,295.78x = 39,442.92 × 7,575.90
  4. Step 4: Simplify right side
    26,295.78x = 298,815,617.63
  5. Step 5: Solve for x
    x = 298,815,617.63/26,295.78
  6. Step 6: Final answer
    x = 11,363.63

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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.