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Finding the Fourth Proportional to 52,959.80, 79,367.61 and 26,682.59

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Solution

The fourth proportional to 52,959.80, 79,367.61 and 26,682.59 is: 39,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.80 : 79,367.61 = 26,682.59 : x
  2. Step 2: Convert to fraction form
    52,959.80/79,367.61 = 26,682.59/x
  3. Step 3: Cross multiply
    52,959.80x = 79,367.61 × 26,682.59
  4. Step 4: Simplify right side
    52,959.80x = 2,117,733,396.91
  5. Step 5: Solve for x
    x = 2,117,733,396.91/52,959.80
  6. Step 6: Final answer
    x = 39,987.56

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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.