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Finding the Fourth Proportional to 16,842.92, 23,243.46 and 10,874.84

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Solution

The fourth proportional to 16,842.92, 23,243.46 and 10,874.84 is: 15,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.92 : 23,243.46 = 10,874.84 : x
  2. Step 2: Convert to fraction form
    16,842.92/23,243.46 = 10,874.84/x
  3. Step 3: Cross multiply
    16,842.92x = 23,243.46 × 10,874.84
  4. Step 4: Simplify right side
    16,842.92x = 252,768,908.55
  5. Step 5: Solve for x
    x = 252,768,908.55/16,842.92
  6. Step 6: Final answer
    x = 15,007.43

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Half scale
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Double scale
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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.