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Finding the Fourth Proportional to 7,627.62, 11,350.07 and 7,601.70

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Solution

The fourth proportional to 7,627.62, 11,350.07 and 7,601.70 is: 11,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.62 : 11,350.07 = 7,601.70 : x
  2. Step 2: Convert to fraction form
    7,627.62/11,350.07 = 7,601.70/x
  3. Step 3: Cross multiply
    7,627.62x = 11,350.07 × 7,601.70
  4. Step 4: Simplify right side
    7,627.62x = 86,279,789.11
  5. Step 5: Solve for x
    x = 86,279,789.11/7,627.62
  6. Step 6: Final answer
    x = 11,311.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.