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Finding the Fourth Proportional to 16,933.61, 23,369.03 and 9,379.77

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Solution

The fourth proportional to 16,933.61, 23,369.03 and 9,379.77 is: 12,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.61 : 23,369.03 = 9,379.77 : x
  2. Step 2: Convert to fraction form
    16,933.61/23,369.03 = 9,379.77/x
  3. Step 3: Cross multiply
    16,933.61x = 23,369.03 × 9,379.77
  4. Step 4: Simplify right side
    16,933.61x = 219,196,079.62
  5. Step 5: Solve for x
    x = 219,196,079.62/16,933.61
  6. Step 6: Final answer
    x = 12,944.44

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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.