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Finding the Fourth Proportional to 7,375.25, 10,177.85 and 4,063.25

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Solution

The fourth proportional to 7,375.25, 10,177.85 and 4,063.25 is: 5,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.25 : 10,177.85 = 4,063.25 : x
  2. Step 2: Convert to fraction form
    7,375.25/10,177.85 = 4,063.25/x
  3. Step 3: Cross multiply
    7,375.25x = 10,177.85 × 4,063.25
  4. Step 4: Simplify right side
    7,375.25x = 41,355,149.01
  5. Step 5: Solve for x
    x = 41,355,149.01/7,375.25
  6. Step 6: Final answer
    x = 5,607.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.