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Finding the Fourth Proportional to 10,633.91, 14,674.66 and 5,918.20

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Solution

The fourth proportional to 10,633.91, 14,674.66 and 5,918.20 is: 8,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.91 : 14,674.66 = 5,918.20 : x
  2. Step 2: Convert to fraction form
    10,633.91/14,674.66 = 5,918.20/x
  3. Step 3: Cross multiply
    10,633.91x = 14,674.66 × 5,918.20
  4. Step 4: Simplify right side
    10,633.91x = 86,847,469.85
  5. Step 5: Solve for x
    x = 86,847,469.85/10,633.91
  6. Step 6: Final answer
    x = 8,167.03

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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.