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Finding the Fourth Proportional to 9,326.72, 12,861.76 and 5,968.32

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Solution

The fourth proportional to 9,326.72, 12,861.76 and 5,968.32 is: 8,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.72 : 12,861.76 = 5,968.32 : x
  2. Step 2: Convert to fraction form
    9,326.72/12,861.76 = 5,968.32/x
  3. Step 3: Cross multiply
    9,326.72x = 12,861.76 × 5,968.32
  4. Step 4: Simplify right side
    9,326.72x = 76,763,099.44
  5. Step 5: Solve for x
    x = 76,763,099.44/9,326.72
  6. Step 6: Final answer
    x = 8,230.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.