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Finding the Fourth Proportional to 27,308.80, 37,682.80 and 17,233.44

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Solution

The fourth proportional to 27,308.80, 37,682.80 and 17,233.44 is: 23,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.80 : 37,682.80 = 17,233.44 : x
  2. Step 2: Convert to fraction form
    27,308.80/37,682.80 = 17,233.44/x
  3. Step 3: Cross multiply
    27,308.80x = 37,682.80 × 17,233.44
  4. Step 4: Simplify right side
    27,308.80x = 649,404,272.83
  5. Step 5: Solve for x
    x = 649,404,272.83/27,308.80
  6. Step 6: Final answer
    x = 23,780.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.