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Finding the Fourth Proportional to 3,375.41, 5,063.10 and 910.47

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Solution

The fourth proportional to 3,375.41, 5,063.10 and 910.47 is: 1,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.41 : 5,063.10 = 910.47 : x
  2. Step 2: Convert to fraction form
    3,375.41/5,063.10 = 910.47/x
  3. Step 3: Cross multiply
    3,375.41x = 5,063.10 × 910.47
  4. Step 4: Simplify right side
    3,375.41x = 4,609,800.66
  5. Step 5: Solve for x
    x = 4,609,800.66/3,375.41
  6. Step 6: Final answer
    x = 1,365.70

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1.5x scale

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.