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Finding the Fourth Proportional to 7,508.60, 11,238.60 and 6,633.80

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Solution

The fourth proportional to 7,508.60, 11,238.60 and 6,633.80 is: 9,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.60 : 11,238.60 = 6,633.80 : x
  2. Step 2: Convert to fraction form
    7,508.60/11,238.60 = 6,633.80/x
  3. Step 3: Cross multiply
    7,508.60x = 11,238.60 × 6,633.80
  4. Step 4: Simplify right side
    7,508.60x = 74,554,624.68
  5. Step 5: Solve for x
    x = 74,554,624.68/7,508.60
  6. Step 6: Final answer
    x = 9,929.23

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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.