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Finding the Fourth Proportional to 18,993.98, 28,494.20 and 5,846.06

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Solution

The fourth proportional to 18,993.98, 28,494.20 and 5,846.06 is: 8,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993.98 : 28,494.20 = 5,846.06 : x
  2. Step 2: Convert to fraction form
    18,993.98/28,494.20 = 5,846.06/x
  3. Step 3: Cross multiply
    18,993.98x = 28,494.20 × 5,846.06
  4. Step 4: Simplify right side
    18,993.98x = 166,578,802.85
  5. Step 5: Solve for x
    x = 166,578,802.85/18,993.98
  6. Step 6: Final answer
    x = 8,770.08

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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.