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Finding the Fourth Proportional to 3,375.34, 5,062.65 and 910.41

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Solution

The fourth proportional to 3,375.34, 5,062.65 and 910.41 is: 1,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.34 : 5,062.65 = 910.41 : x
  2. Step 2: Convert to fraction form
    3,375.34/5,062.65 = 910.41/x
  3. Step 3: Cross multiply
    3,375.34x = 5,062.65 × 910.41
  4. Step 4: Simplify right side
    3,375.34x = 4,609,087.19
  5. Step 5: Solve for x
    x = 4,609,087.19/3,375.34
  6. Step 6: Final answer
    x = 1,365.52

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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.