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Finding the Fourth Proportional to 8,246.51, 12,369.75 and 3,314.99

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Solution

The fourth proportional to 8,246.51, 12,369.75 and 3,314.99 is: 4,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.51 : 12,369.75 = 3,314.99 : x
  2. Step 2: Convert to fraction form
    8,246.51/12,369.75 = 3,314.99/x
  3. Step 3: Cross multiply
    8,246.51x = 12,369.75 × 3,314.99
  4. Step 4: Simplify right side
    8,246.51x = 41,005,582.09
  5. Step 5: Solve for x
    x = 41,005,582.09/8,246.51
  6. Step 6: Final answer
    x = 4,972.48

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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.