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Finding the Fourth Proportional to 7,297.30, 10,945.85 and 4,951.48

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Solution

The fourth proportional to 7,297.30, 10,945.85 and 4,951.48 is: 7,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.30 : 10,945.85 = 4,951.48 : x
  2. Step 2: Convert to fraction form
    7,297.30/10,945.85 = 4,951.48/x
  3. Step 3: Cross multiply
    7,297.30x = 10,945.85 × 4,951.48
  4. Step 4: Simplify right side
    7,297.30x = 54,198,132.60
  5. Step 5: Solve for x
    x = 54,198,132.60/7,297.30
  6. Step 6: Final answer
    x = 7,427.15

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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.