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Finding the Fourth Proportional to 68,351.27, 94,327.00 and 39,668.76

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Solution

The fourth proportional to 68,351.27, 94,327.00 and 39,668.76 is: 54,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351.27 : 94,327.00 = 39,668.76 : x
  2. Step 2: Convert to fraction form
    68,351.27/94,327.00 = 39,668.76/x
  3. Step 3: Cross multiply
    68,351.27x = 94,327.00 × 39,668.76
  4. Step 4: Simplify right side
    68,351.27x = 3,741,835,025.35
  5. Step 5: Solve for x
    x = 3,741,835,025.35/68,351.27
  6. Step 6: Final answer
    x = 54,744.20

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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.