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Finding the Fourth Proportional to 16,893, 23,311.94 and 9,339.08

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Solution

The fourth proportional to 16,893, 23,311.94 and 9,339.08 is: 12,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893 : 23,311.94 = 9,339.08 : x
  2. Step 2: Convert to fraction form
    16,893/23,311.94 = 9,339.08/x
  3. Step 3: Cross multiply
    16,893x = 23,311.94 × 9,339.08
  4. Step 4: Simplify right side
    16,893x = 217,712,072.62
  5. Step 5: Solve for x
    x = 217,712,072.62/16,893
  6. Step 6: Final answer
    x = 12,887.71

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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.