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Finding the Fourth Proportional to 8,633.95, 12,950.34 and 3,367.99

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Solution

The fourth proportional to 8,633.95, 12,950.34 and 3,367.99 is: 5,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.95 : 12,950.34 = 3,367.99 : x
  2. Step 2: Convert to fraction form
    8,633.95/12,950.34 = 3,367.99/x
  3. Step 3: Cross multiply
    8,633.95x = 12,950.34 × 3,367.99
  4. Step 4: Simplify right side
    8,633.95x = 43,616,592.22
  5. Step 5: Solve for x
    x = 43,616,592.22/8,633.95
  6. Step 6: Final answer
    x = 5,051.75

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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.