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Finding the Fourth Proportional to 19,845.03, 29,768.99 and 5,995.11

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Solution

The fourth proportional to 19,845.03, 29,768.99 and 5,995.11 is: 8,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.03 : 29,768.99 = 5,995.11 : x
  2. Step 2: Convert to fraction form
    19,845.03/29,768.99 = 5,995.11/x
  3. Step 3: Cross multiply
    19,845.03x = 29,768.99 × 5,995.11
  4. Step 4: Simplify right side
    19,845.03x = 178,468,369.64
  5. Step 5: Solve for x
    x = 178,468,369.64/19,845.03
  6. Step 6: Final answer
    x = 8,993.10

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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.