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Finding the Fourth Proportional to 11,937.44, 17,923.44 and 8,654.24

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Solution

The fourth proportional to 11,937.44, 17,923.44 and 8,654.24 is: 12,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.44 : 17,923.44 = 8,654.24 : x
  2. Step 2: Convert to fraction form
    11,937.44/17,923.44 = 8,654.24/x
  3. Step 3: Cross multiply
    11,937.44x = 17,923.44 × 8,654.24
  4. Step 4: Simplify right side
    11,937.44x = 155,113,751.39
  5. Step 5: Solve for x
    x = 155,113,751.39/11,937.44
  6. Step 6: Final answer
    x = 12,993.89

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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.