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Finding the Fourth Proportional to 1,634.73, 2,452.10 and 709.82

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Solution

The fourth proportional to 1,634.73, 2,452.10 and 709.82 is: 1,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.73 : 2,452.10 = 709.82 : x
  2. Step 2: Convert to fraction form
    1,634.73/2,452.10 = 709.82/x
  3. Step 3: Cross multiply
    1,634.73x = 2,452.10 × 709.82
  4. Step 4: Simplify right side
    1,634.73x = 1,740,533.81
  5. Step 5: Solve for x
    x = 1,740,533.81/1,634.73
  6. Step 6: Final answer
    x = 1,064.72

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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.