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Finding the Fourth Proportional to 68,314.84, 94,241.82 and 39,634.36

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Solution

The fourth proportional to 68,314.84, 94,241.82 and 39,634.36 is: 54,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,314.84 : 94,241.82 = 39,634.36 : x
  2. Step 2: Convert to fraction form
    68,314.84/94,241.82 = 39,634.36/x
  3. Step 3: Cross multiply
    68,314.84x = 94,241.82 × 39,634.36
  4. Step 4: Simplify right side
    68,314.84x = 3,735,214,220.94
  5. Step 5: Solve for x
    x = 3,735,214,220.94/68,314.84
  6. Step 6: Final answer
    x = 54,676.47

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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.