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Finding the Fourth Proportional to 61,940.62, 92,910.93 and 26,879.50

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Solution

The fourth proportional to 61,940.62, 92,910.93 and 26,879.50 is: 40,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.62 : 92,910.93 = 26,879.50 : x
  2. Step 2: Convert to fraction form
    61,940.62/92,910.93 = 26,879.50/x
  3. Step 3: Cross multiply
    61,940.62x = 92,910.93 × 26,879.50
  4. Step 4: Simplify right side
    61,940.62x = 2,497,399,342.94
  5. Step 5: Solve for x
    x = 2,497,399,342.94/61,940.62
  6. Step 6: Final answer
    x = 40,319.25

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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.