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Finding the Fourth Proportional to 16,939.01, 23,375.76 and 9,487.01

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Solution

The fourth proportional to 16,939.01, 23,375.76 and 9,487.01 is: 13,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.01 : 23,375.76 = 9,487.01 : x
  2. Step 2: Convert to fraction form
    16,939.01/23,375.76 = 9,487.01/x
  3. Step 3: Cross multiply
    16,939.01x = 23,375.76 × 9,487.01
  4. Step 4: Simplify right side
    16,939.01x = 221,765,952.00
  5. Step 5: Solve for x
    x = 221,765,952.00/16,939.01
  6. Step 6: Final answer
    x = 13,092.03

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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.