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Finding the Fourth Proportional to 36,165.69, 54,204.80 and 18,625.95

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Solution

The fourth proportional to 36,165.69, 54,204.80 and 18,625.95 is: 27,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,165.69 : 54,204.80 = 18,625.95 : x
  2. Step 2: Convert to fraction form
    36,165.69/54,204.80 = 18,625.95/x
  3. Step 3: Cross multiply
    36,165.69x = 54,204.80 × 18,625.95
  4. Step 4: Simplify right side
    36,165.69x = 1,009,615,801.43
  5. Step 5: Solve for x
    x = 1,009,615,801.43/36,165.69
  6. Step 6: Final answer
    x = 27,916.40

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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.