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Finding the Fourth Proportional to 53,491.79, 80,119.33 and 36,584.66

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Solution

The fourth proportional to 53,491.79, 80,119.33 and 36,584.66 is: 54,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.79 : 80,119.33 = 36,584.66 : x
  2. Step 2: Convert to fraction form
    53,491.79/80,119.33 = 36,584.66/x
  3. Step 3: Cross multiply
    53,491.79x = 80,119.33 × 36,584.66
  4. Step 4: Simplify right side
    53,491.79x = 2,931,138,556.31
  5. Step 5: Solve for x
    x = 2,931,138,556.31/53,491.79
  6. Step 6: Final answer
    x = 54,796.04

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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.