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Finding the Fourth Proportional to 51,891.60, 71,581.60 and 34,015.44

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Solution

The fourth proportional to 51,891.60, 71,581.60 and 34,015.44 is: 46,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,891.60 : 71,581.60 = 34,015.44 : x
  2. Step 2: Convert to fraction form
    51,891.60/71,581.60 = 34,015.44/x
  3. Step 3: Cross multiply
    51,891.60x = 71,581.60 × 34,015.44
  4. Step 4: Simplify right side
    51,891.60x = 2,434,879,619.90
  5. Step 5: Solve for x
    x = 2,434,879,619.90/51,891.60
  6. Step 6: Final answer
    x = 46,922.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.