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Finding the Fourth Proportional to 3,710.80, 5,551.80 and 2,414.80

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Solution

The fourth proportional to 3,710.80, 5,551.80 and 2,414.80 is: 3,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.80 : 5,551.80 = 2,414.80 : x
  2. Step 2: Convert to fraction form
    3,710.80/5,551.80 = 2,414.80/x
  3. Step 3: Cross multiply
    3,710.80x = 5,551.80 × 2,414.80
  4. Step 4: Simplify right side
    3,710.80x = 13,406,486.64
  5. Step 5: Solve for x
    x = 13,406,486.64/3,710.80
  6. Step 6: Final answer
    x = 3,612.83

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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.