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Finding the Fourth Proportional to 2,908.92, 4,364.16 and 1,265.82

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Solution

The fourth proportional to 2,908.92, 4,364.16 and 1,265.82 is: 1,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.92 : 4,364.16 = 1,265.82 : x
  2. Step 2: Convert to fraction form
    2,908.92/4,364.16 = 1,265.82/x
  3. Step 3: Cross multiply
    2,908.92x = 4,364.16 × 1,265.82
  4. Step 4: Simplify right side
    2,908.92x = 5,524,241.01
  5. Step 5: Solve for x
    x = 5,524,241.01/2,908.92
  6. Step 6: Final answer
    x = 1,899.07

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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.