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Finding the Fourth Proportional to 6,453.74, 8,910.42 and 4,958.94

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Solution

The fourth proportional to 6,453.74, 8,910.42 and 4,958.94 is: 6,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.74 : 8,910.42 = 4,958.94 : x
  2. Step 2: Convert to fraction form
    6,453.74/8,910.42 = 4,958.94/x
  3. Step 3: Cross multiply
    6,453.74x = 8,910.42 × 4,958.94
  4. Step 4: Simplify right side
    6,453.74x = 44,186,238.15
  5. Step 5: Solve for x
    x = 44,186,238.15/6,453.74
  6. Step 6: Final answer
    x = 6,846.61

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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.