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Finding the Fourth Proportional to 6,456.94, 8,910.58 and 3,662.44

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Solution

The fourth proportional to 6,456.94, 8,910.58 and 3,662.44 is: 5,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.94 : 8,910.58 = 3,662.44 : x
  2. Step 2: Convert to fraction form
    6,456.94/8,910.58 = 3,662.44/x
  3. Step 3: Cross multiply
    6,456.94x = 8,910.58 × 3,662.44
  4. Step 4: Simplify right side
    6,456.94x = 32,634,446.30
  5. Step 5: Solve for x
    x = 32,634,446.30/6,456.94
  6. Step 6: Final answer
    x = 5,054.17

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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.