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Finding the Fourth Proportional to 1,655.82, 2,480.49 and 1,363.74

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Solution

The fourth proportional to 1,655.82, 2,480.49 and 1,363.74 is: 2,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.82 : 2,480.49 = 1,363.74 : x
  2. Step 2: Convert to fraction form
    1,655.82/2,480.49 = 1,363.74/x
  3. Step 3: Cross multiply
    1,655.82x = 2,480.49 × 1,363.74
  4. Step 4: Simplify right side
    1,655.82x = 3,382,743.43
  5. Step 5: Solve for x
    x = 3,382,743.43/1,655.82
  6. Step 6: Final answer
    x = 2,042.94

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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.