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Finding the Fourth Proportional to 36,651.60, 54,977.40 and 16,924.32

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Solution

The fourth proportional to 36,651.60, 54,977.40 and 16,924.32 is: 25,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.60 : 54,977.40 = 16,924.32 : x
  2. Step 2: Convert to fraction form
    36,651.60/54,977.40 = 16,924.32/x
  3. Step 3: Cross multiply
    36,651.60x = 54,977.40 × 16,924.32
  4. Step 4: Simplify right side
    36,651.60x = 930,455,110.37
  5. Step 5: Solve for x
    x = 930,455,110.37/36,651.60
  6. Step 6: Final answer
    x = 25,386.48

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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.