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Finding the Fourth Proportional to 16,843.23, 23,245.65 and 9,769.91

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Solution

The fourth proportional to 16,843.23, 23,245.65 and 9,769.91 is: 13,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.23 : 23,245.65 = 9,769.91 : x
  2. Step 2: Convert to fraction form
    16,843.23/23,245.65 = 9,769.91/x
  3. Step 3: Cross multiply
    16,843.23x = 23,245.65 × 9,769.91
  4. Step 4: Simplify right side
    16,843.23x = 227,107,792.16
  5. Step 5: Solve for x
    x = 227,107,792.16/16,843.23
  6. Step 6: Final answer
    x = 13,483.62

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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.