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Finding the Fourth Proportional to 52,879.88, 72,959.42 and 34,027.94

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Solution

The fourth proportional to 52,879.88, 72,959.42 and 34,027.94 is: 46,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.88 : 72,959.42 = 34,027.94 : x
  2. Step 2: Convert to fraction form
    52,879.88/72,959.42 = 34,027.94/x
  3. Step 3: Cross multiply
    52,879.88x = 72,959.42 × 34,027.94
  4. Step 4: Simplify right side
    52,879.88x = 2,482,658,766.19
  5. Step 5: Solve for x
    x = 2,482,658,766.19/52,879.88
  6. Step 6: Final answer
    x = 46,949.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.