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Finding the Fourth Proportional to 16,942.22, 25,412.97 and 9,047.42

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Solution

The fourth proportional to 16,942.22, 25,412.97 and 9,047.42 is: 13,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.22 : 25,412.97 = 9,047.42 : x
  2. Step 2: Convert to fraction form
    16,942.22/25,412.97 = 9,047.42/x
  3. Step 3: Cross multiply
    16,942.22x = 25,412.97 × 9,047.42
  4. Step 4: Simplify right side
    16,942.22x = 229,921,813.04
  5. Step 5: Solve for x
    x = 229,921,813.04/16,942.22
  6. Step 6: Final answer
    x = 13,570.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.