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Finding the Fourth Proportional to 53,993.39, 80,955.36 and 22,425.21

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Solution

The fourth proportional to 53,993.39, 80,955.36 and 22,425.21 is: 33,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,993.39 : 80,955.36 = 22,425.21 : x
  2. Step 2: Convert to fraction form
    53,993.39/80,955.36 = 22,425.21/x
  3. Step 3: Cross multiply
    53,993.39x = 80,955.36 × 22,425.21
  4. Step 4: Simplify right side
    53,993.39x = 1,815,440,948.63
  5. Step 5: Solve for x
    x = 1,815,440,948.63/53,993.39
  6. Step 6: Final answer
    x = 33,623.40

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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.