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Finding the Fourth Proportional to 68,461.92, 94,474.08 and 38,241.24

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Solution

The fourth proportional to 68,461.92, 94,474.08 and 38,241.24 is: 52,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,461.92 : 94,474.08 = 38,241.24 : x
  2. Step 2: Convert to fraction form
    68,461.92/94,474.08 = 38,241.24/x
  3. Step 3: Cross multiply
    68,461.92x = 94,474.08 × 38,241.24
  4. Step 4: Simplify right side
    68,461.92x = 3,612,805,967.06
  5. Step 5: Solve for x
    x = 3,612,805,967.06/68,461.92
  6. Step 6: Final answer
    x = 52,771.03

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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.