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Finding the Fourth Proportional to 36,496.40, 54,744.60 and 16,813.40

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Solution

The fourth proportional to 36,496.40, 54,744.60 and 16,813.40 is: 25,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,496.40 : 54,744.60 = 16,813.40 : x
  2. Step 2: Convert to fraction form
    36,496.40/54,744.60 = 16,813.40/x
  3. Step 3: Cross multiply
    36,496.40x = 54,744.60 × 16,813.40
  4. Step 4: Simplify right side
    36,496.40x = 920,442,857.64
  5. Step 5: Solve for x
    x = 920,442,857.64/36,496.40
  6. Step 6: Final answer
    x = 25,220.10

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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.