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Finding the Fourth Proportional to 8,633.65, 12,950.48 and 3,443.17

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Solution

The fourth proportional to 8,633.65, 12,950.48 and 3,443.17 is: 5,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.65 : 12,950.48 = 3,443.17 : x
  2. Step 2: Convert to fraction form
    8,633.65/12,950.48 = 3,443.17/x
  3. Step 3: Cross multiply
    8,633.65x = 12,950.48 × 3,443.17
  4. Step 4: Simplify right side
    8,633.65x = 44,590,622.25
  5. Step 5: Solve for x
    x = 44,590,622.25/8,633.65
  6. Step 6: Final answer
    x = 5,164.75

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.