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Finding the Fourth Proportional to 1,634.93, 2,448.30 and 852.17

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Solution

The fourth proportional to 1,634.93, 2,448.30 and 852.17 is: 1,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.93 : 2,448.30 = 852.17 : x
  2. Step 2: Convert to fraction form
    1,634.93/2,448.30 = 852.17/x
  3. Step 3: Cross multiply
    1,634.93x = 2,448.30 × 852.17
  4. Step 4: Simplify right side
    1,634.93x = 2,086,370.14
  5. Step 5: Solve for x
    x = 2,086,370.14/1,634.93
  6. Step 6: Final answer
    x = 1,276.12

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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.