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Finding the Fourth Proportional to 2,908.87, 4,012.44 and 2,536.74

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Solution

The fourth proportional to 2,908.87, 4,012.44 and 2,536.74 is: 3,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.87 : 4,012.44 = 2,536.74 : x
  2. Step 2: Convert to fraction form
    2,908.87/4,012.44 = 2,536.74/x
  3. Step 3: Cross multiply
    2,908.87x = 4,012.44 × 2,536.74
  4. Step 4: Simplify right side
    2,908.87x = 10,178,504.36
  5. Step 5: Solve for x
    x = 10,178,504.36/2,908.87
  6. Step 6: Final answer
    x = 3,499.13

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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.