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Finding the Fourth Proportional to 53,396.44, 80,106.12 and 15,959.44

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Solution

The fourth proportional to 53,396.44, 80,106.12 and 15,959.44 is: 23,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.44 : 80,106.12 = 15,959.44 : x
  2. Step 2: Convert to fraction form
    53,396.44/80,106.12 = 15,959.44/x
  3. Step 3: Cross multiply
    53,396.44x = 80,106.12 × 15,959.44
  4. Step 4: Simplify right side
    53,396.44x = 1,278,448,815.77
  5. Step 5: Solve for x
    x = 1,278,448,815.77/53,396.44
  6. Step 6: Final answer
    x = 23,942.59

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1.5x scale

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.