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Finding the Fourth Proportional to 36,464.52, 54,696.80 and 11,840.52

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Solution

The fourth proportional to 36,464.52, 54,696.80 and 11,840.52 is: 17,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,464.52 : 54,696.80 = 11,840.52 : x
  2. Step 2: Convert to fraction form
    36,464.52/54,696.80 = 11,840.52/x
  3. Step 3: Cross multiply
    36,464.52x = 54,696.80 × 11,840.52
  4. Step 4: Simplify right side
    36,464.52x = 647,638,554.34
  5. Step 5: Solve for x
    x = 647,638,554.34/36,464.52
  6. Step 6: Final answer
    x = 17,760.79

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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.