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Finding the Fourth Proportional to 7,892.48, 11,844 and 3,275.48

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Solution

The fourth proportional to 7,892.48, 11,844 and 3,275.48 is: 4,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.48 : 11,844 = 3,275.48 : x
  2. Step 2: Convert to fraction form
    7,892.48/11,844 = 3,275.48/x
  3. Step 3: Cross multiply
    7,892.48x = 11,844 × 3,275.48
  4. Step 4: Simplify right side
    7,892.48x = 38,794,785.12
  5. Step 5: Solve for x
    x = 38,794,785.12/7,892.48
  6. Step 6: Final answer
    x = 4,915.41

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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.