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Finding the Fourth Proportional to 36,393, 54,488.16 and 18,585.36

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Solution

The fourth proportional to 36,393, 54,488.16 and 18,585.36 is: 27,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,393 : 54,488.16 = 18,585.36 : x
  2. Step 2: Convert to fraction form
    36,393/54,488.16 = 18,585.36/x
  3. Step 3: Cross multiply
    36,393x = 54,488.16 × 18,585.36
  4. Step 4: Simplify right side
    36,393x = 1,012,682,069.34
  5. Step 5: Solve for x
    x = 1,012,682,069.34/36,393
  6. Step 6: Final answer
    x = 27,826.29

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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.