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Finding the Fourth Proportional to 7,626.12, 11,347.83 and 7,600.20

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Solution

The fourth proportional to 7,626.12, 11,347.83 and 7,600.20 is: 11,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.12 : 11,347.83 = 7,600.20 : x
  2. Step 2: Convert to fraction form
    7,626.12/11,347.83 = 7,600.20/x
  3. Step 3: Cross multiply
    7,626.12x = 11,347.83 × 7,600.20
  4. Step 4: Simplify right side
    7,626.12x = 86,245,777.57
  5. Step 5: Solve for x
    x = 86,245,777.57/7,626.12
  6. Step 6: Final answer
    x = 11,309.26

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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.