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Finding the Fourth Proportional to 34,175.60, 51,301.80 and 26,418.80

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Solution

The fourth proportional to 34,175.60, 51,301.80 and 26,418.80 is: 39,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,175.60 : 51,301.80 = 26,418.80 : x
  2. Step 2: Convert to fraction form
    34,175.60/51,301.80 = 26,418.80/x
  3. Step 3: Cross multiply
    34,175.60x = 51,301.80 × 26,418.80
  4. Step 4: Simplify right side
    34,175.60x = 1,355,331,993.84
  5. Step 5: Solve for x
    x = 1,355,331,993.84/34,175.60
  6. Step 6: Final answer
    x = 39,657.88

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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.