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Finding the Fourth Proportional to 49,783.34, 68,788.44 and 39,794.24

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Solution

The fourth proportional to 49,783.34, 68,788.44 and 39,794.24 is: 54,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.34 : 68,788.44 = 39,794.24 : x
  2. Step 2: Convert to fraction form
    49,783.34/68,788.44 = 39,794.24/x
  3. Step 3: Cross multiply
    49,783.34x = 68,788.44 × 39,794.24
  4. Step 4: Simplify right side
    49,783.34x = 2,737,383,690.59
  5. Step 5: Solve for x
    x = 2,737,383,690.59/49,783.34
  6. Step 6: Final answer
    x = 54,985.94

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1.5x scale

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.