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Finding the Fourth Proportional to 18,494.98, 27,739.95 and 6,013.78

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Solution

The fourth proportional to 18,494.98, 27,739.95 and 6,013.78 is: 9,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.98 : 27,739.95 = 6,013.78 : x
  2. Step 2: Convert to fraction form
    18,494.98/27,739.95 = 6,013.78/x
  3. Step 3: Cross multiply
    18,494.98x = 27,739.95 × 6,013.78
  4. Step 4: Simplify right side
    18,494.98x = 166,821,956.51
  5. Step 5: Solve for x
    x = 166,821,956.51/18,494.98
  6. Step 6: Final answer
    x = 9,019.85

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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.