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Finding the Fourth Proportional to 68,290.56, 94,286.88 and 52,346.88

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Solution

The fourth proportional to 68,290.56, 94,286.88 and 52,346.88 is: 72,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,290.56 : 94,286.88 = 52,346.88 : x
  2. Step 2: Convert to fraction form
    68,290.56/94,286.88 = 52,346.88/x
  3. Step 3: Cross multiply
    68,290.56x = 94,286.88 × 52,346.88
  4. Step 4: Simplify right side
    68,290.56x = 4,935,623,992.93
  5. Step 5: Solve for x
    x = 4,935,623,992.93/68,290.56
  6. Step 6: Final answer
    x = 72,273.88

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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.