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Finding the Fourth Proportional to 53,294.88, 79,945.78 and 17,754.68

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Solution

The fourth proportional to 53,294.88, 79,945.78 and 17,754.68 is: 26,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,294.88 : 79,945.78 = 17,754.68 : x
  2. Step 2: Convert to fraction form
    53,294.88/79,945.78 = 17,754.68/x
  3. Step 3: Cross multiply
    53,294.88x = 79,945.78 × 17,754.68
  4. Step 4: Simplify right side
    53,294.88x = 1,419,411,741.25
  5. Step 5: Solve for x
    x = 1,419,411,741.25/53,294.88
  6. Step 6: Final answer
    x = 26,633.17

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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.