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Finding the Fourth Proportional to 2,492.82, 3,739.23 and 848.52

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Solution

The fourth proportional to 2,492.82, 3,739.23 and 848.52 is: 1,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.82 : 3,739.23 = 848.52 : x
  2. Step 2: Convert to fraction form
    2,492.82/3,739.23 = 848.52/x
  3. Step 3: Cross multiply
    2,492.82x = 3,739.23 × 848.52
  4. Step 4: Simplify right side
    2,492.82x = 3,172,811.44
  5. Step 5: Solve for x
    x = 3,172,811.44/2,492.82
  6. Step 6: Final answer
    x = 1,272.78

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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.