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Finding the Fourth Proportional to 68,589.44, 94,656.12 and 40,294.88

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Solution

The fourth proportional to 68,589.44, 94,656.12 and 40,294.88 is: 55,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,589.44 : 94,656.12 = 40,294.88 : x
  2. Step 2: Convert to fraction form
    68,589.44/94,656.12 = 40,294.88/x
  3. Step 3: Cross multiply
    68,589.44x = 94,656.12 × 40,294.88
  4. Step 4: Simplify right side
    68,589.44x = 3,814,156,996.67
  5. Step 5: Solve for x
    x = 3,814,156,996.67/68,589.44
  6. Step 6: Final answer
    x = 55,608.52

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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.