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Finding the Fourth Proportional to 11,223.66, 16,832.69 and 4,651.66

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Solution

The fourth proportional to 11,223.66, 16,832.69 and 4,651.66 is: 6,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.66 : 16,832.69 = 4,651.66 : x
  2. Step 2: Convert to fraction form
    11,223.66/16,832.69 = 4,651.66/x
  3. Step 3: Cross multiply
    11,223.66x = 16,832.69 × 4,651.66
  4. Step 4: Simplify right side
    11,223.66x = 78,299,950.77
  5. Step 5: Solve for x
    x = 78,299,950.77/11,223.66
  6. Step 6: Final answer
    x = 6,976.33

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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.