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Finding the Fourth Proportional to 16,843.12, 23,245.06 and 9,673.98

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Solution

The fourth proportional to 16,843.12, 23,245.06 and 9,673.98 is: 13,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.12 : 23,245.06 = 9,673.98 : x
  2. Step 2: Convert to fraction form
    16,843.12/23,245.06 = 9,673.98/x
  3. Step 3: Cross multiply
    16,843.12x = 23,245.06 × 9,673.98
  4. Step 4: Simplify right side
    16,843.12x = 224,872,245.54
  5. Step 5: Solve for x
    x = 224,872,245.54/16,843.12
  6. Step 6: Final answer
    x = 13,350.99

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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.