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Finding the Fourth Proportional to 68,168.28, 94,047.87 and 39,472.27

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Solution

The fourth proportional to 68,168.28, 94,047.87 and 39,472.27 is: 54,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,168.28 : 94,047.87 = 39,472.27 : x
  2. Step 2: Convert to fraction form
    68,168.28/94,047.87 = 39,472.27/x
  3. Step 3: Cross multiply
    68,168.28x = 94,047.87 × 39,472.27
  4. Step 4: Simplify right side
    68,168.28x = 3,712,282,917.56
  5. Step 5: Solve for x
    x = 3,712,282,917.56/68,168.28
  6. Step 6: Final answer
    x = 54,457.63

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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.