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Finding the Fourth Proportional to 16,892.41, 23,311.41 and 9,338.71

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Solution

The fourth proportional to 16,892.41, 23,311.41 and 9,338.71 is: 12,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.41 : 23,311.41 = 9,338.71 : x
  2. Step 2: Convert to fraction form
    16,892.41/23,311.41 = 9,338.71/x
  3. Step 3: Cross multiply
    16,892.41x = 23,311.41 × 9,338.71
  4. Step 4: Simplify right side
    16,892.41x = 217,698,497.68
  5. Step 5: Solve for x
    x = 217,698,497.68/16,892.41
  6. Step 6: Final answer
    x = 12,887.36

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Half scale
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Double scale
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Similar ratio
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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.