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Finding the Fourth Proportional to 36,684.79, 55,035.08 and 11,383.79

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Solution

The fourth proportional to 36,684.79, 55,035.08 and 11,383.79 is: 17,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.79 : 55,035.08 = 11,383.79 : x
  2. Step 2: Convert to fraction form
    36,684.79/55,035.08 = 11,383.79/x
  3. Step 3: Cross multiply
    36,684.79x = 55,035.08 × 11,383.79
  4. Step 4: Simplify right side
    36,684.79x = 626,507,793.35
  5. Step 5: Solve for x
    x = 626,507,793.35/36,684.79
  6. Step 6: Final answer
    x = 17,078.13

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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.