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Finding the Fourth Proportional to 53,201.58, 79,795.86 and 13,755.39

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Solution

The fourth proportional to 53,201.58, 79,795.86 and 13,755.39 is: 20,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,201.58 : 79,795.86 = 13,755.39 : x
  2. Step 2: Convert to fraction form
    53,201.58/79,795.86 = 13,755.39/x
  3. Step 3: Cross multiply
    53,201.58x = 79,795.86 × 13,755.39
  4. Step 4: Simplify right side
    53,201.58x = 1,097,623,174.69
  5. Step 5: Solve for x
    x = 1,097,623,174.69/53,201.58
  6. Step 6: Final answer
    x = 20,631.40

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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.