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Finding the Fourth Proportional to 68,654.25, 94,744.31 and 38,846.25

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Solution

The fourth proportional to 68,654.25, 94,744.31 and 38,846.25 is: 53,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654.25 : 94,744.31 = 38,846.25 : x
  2. Step 2: Convert to fraction form
    68,654.25/94,744.31 = 38,846.25/x
  3. Step 3: Cross multiply
    68,654.25x = 94,744.31 × 38,846.25
  4. Step 4: Simplify right side
    68,654.25x = 3,680,460,958.11
  5. Step 5: Solve for x
    x = 3,680,460,958.11/68,654.25
  6. Step 6: Final answer
    x = 53,608.64

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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.