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Finding the Fourth Proportional to 52,755.76, 79,133.62 and 17,695.30

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Solution

The fourth proportional to 52,755.76, 79,133.62 and 17,695.30 is: 26,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.76 : 79,133.62 = 17,695.30 : x
  2. Step 2: Convert to fraction form
    52,755.76/79,133.62 = 17,695.30/x
  3. Step 3: Cross multiply
    52,755.76x = 79,133.62 × 17,695.30
  4. Step 4: Simplify right side
    52,755.76x = 1,400,293,145.99
  5. Step 5: Solve for x
    x = 1,400,293,145.99/52,755.76
  6. Step 6: Final answer
    x = 26,542.94

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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.