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Finding the Fourth Proportional to 3,376.14, 5,063.59 and 910.38

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Solution

The fourth proportional to 3,376.14, 5,063.59 and 910.38 is: 1,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.14 : 5,063.59 = 910.38 : x
  2. Step 2: Convert to fraction form
    3,376.14/5,063.59 = 910.38/x
  3. Step 3: Cross multiply
    3,376.14x = 5,063.59 × 910.38
  4. Step 4: Simplify right side
    3,376.14x = 4,609,791.06
  5. Step 5: Solve for x
    x = 4,609,791.06/3,376.14
  6. Step 6: Final answer
    x = 1,365.40

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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.