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Finding the Fourth Proportional to 36,389.40, 54,584.08 and 16,375.49

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Solution

The fourth proportional to 36,389.40, 54,584.08 and 16,375.49 is: 24,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,389.40 : 54,584.08 = 16,375.49 : x
  2. Step 2: Convert to fraction form
    36,389.40/54,584.08 = 16,375.49/x
  3. Step 3: Cross multiply
    36,389.40x = 54,584.08 × 16,375.49
  4. Step 4: Simplify right side
    36,389.40x = 893,841,056.20
  5. Step 5: Solve for x
    x = 893,841,056.20/36,389.40
  6. Step 6: Final answer
    x = 24,563.23

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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.