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Finding the Fourth Proportional to 7,459.59, 11,175.06 and 4,640.09

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Solution

The fourth proportional to 7,459.59, 11,175.06 and 4,640.09 is: 6,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.59 : 11,175.06 = 4,640.09 : x
  2. Step 2: Convert to fraction form
    7,459.59/11,175.06 = 4,640.09/x
  3. Step 3: Cross multiply
    7,459.59x = 11,175.06 × 4,640.09
  4. Step 4: Simplify right side
    7,459.59x = 51,853,245.68
  5. Step 5: Solve for x
    x = 51,853,245.68/7,459.59
  6. Step 6: Final answer
    x = 6,951.22

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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.