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Finding the Fourth Proportional to 41,992.21, 62,978.59 and 26,953.95

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Solution

The fourth proportional to 41,992.21, 62,978.59 and 26,953.95 is: 40,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992.21 : 62,978.59 = 26,953.95 : x
  2. Step 2: Convert to fraction form
    41,992.21/62,978.59 = 26,953.95/x
  3. Step 3: Cross multiply
    41,992.21x = 62,978.59 × 26,953.95
  4. Step 4: Simplify right side
    41,992.21x = 1,697,521,765.93
  5. Step 5: Solve for x
    x = 1,697,521,765.93/41,992.21
  6. Step 6: Final answer
    x = 40,424.68

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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.