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Finding the Fourth Proportional to 53,383, 80,072.62 and 25,316.48

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Solution

The fourth proportional to 53,383, 80,072.62 and 25,316.48 is: 37,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383 : 80,072.62 = 25,316.48 : x
  2. Step 2: Convert to fraction form
    53,383/80,072.62 = 25,316.48/x
  3. Step 3: Cross multiply
    53,383x = 80,072.62 × 25,316.48
  4. Step 4: Simplify right side
    53,383x = 2,027,156,882.78
  5. Step 5: Solve for x
    x = 2,027,156,882.78/53,383
  6. Step 6: Final answer
    x = 37,973.83

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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.