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Finding the Fourth Proportional to 7,459.22, 11,188.99 and 5,971.54

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Solution

The fourth proportional to 7,459.22, 11,188.99 and 5,971.54 is: 8,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.22 : 11,188.99 = 5,971.54 : x
  2. Step 2: Convert to fraction form
    7,459.22/11,188.99 = 5,971.54/x
  3. Step 3: Cross multiply
    7,459.22x = 11,188.99 × 5,971.54
  4. Step 4: Simplify right side
    7,459.22x = 66,815,458.44
  5. Step 5: Solve for x
    x = 66,815,458.44/7,459.22
  6. Step 6: Final answer
    x = 8,957.43

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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.