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Finding the Fourth Proportional to 68,591.44, 94,658.88 and 40,296.88

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Solution

The fourth proportional to 68,591.44, 94,658.88 and 40,296.88 is: 55,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,591.44 : 94,658.88 = 40,296.88 : x
  2. Step 2: Convert to fraction form
    68,591.44/94,658.88 = 40,296.88/x
  3. Step 3: Cross multiply
    68,591.44x = 94,658.88 × 40,296.88
  4. Step 4: Simplify right side
    68,591.44x = 3,814,457,528.29
  5. Step 5: Solve for x
    x = 3,814,457,528.29/68,591.44
  6. Step 6: Final answer
    x = 55,611.28

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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.