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Finding the Fourth Proportional to 35,495.69, 48,982.89 and 20,183.88

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Solution

The fourth proportional to 35,495.69, 48,982.89 and 20,183.88 is: 27,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.69 : 48,982.89 = 20,183.88 : x
  2. Step 2: Convert to fraction form
    35,495.69/48,982.89 = 20,183.88/x
  3. Step 3: Cross multiply
    35,495.69x = 48,982.89 × 20,183.88
  4. Step 4: Simplify right side
    35,495.69x = 988,665,033.19
  5. Step 5: Solve for x
    x = 988,665,033.19/35,495.69
  6. Step 6: Final answer
    x = 27,853.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.