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Finding the Fourth Proportional to 68,676.50, 94,768.86 and 38,048.54

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Solution

The fourth proportional to 68,676.50, 94,768.86 and 38,048.54 is: 52,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,676.50 : 94,768.86 = 38,048.54 : x
  2. Step 2: Convert to fraction form
    68,676.50/94,768.86 = 38,048.54/x
  3. Step 3: Cross multiply
    68,676.50x = 94,768.86 × 38,048.54
  4. Step 4: Simplify right side
    68,676.50x = 3,605,816,760.46
  5. Step 5: Solve for x
    x = 3,605,816,760.46/68,676.50
  6. Step 6: Final answer
    x = 52,504.38

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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.