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Finding the Fourth Proportional to 11,968.26, 17,955.28 and 3,760.26

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Solution

The fourth proportional to 11,968.26, 17,955.28 and 3,760.26 is: 5,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.26 : 17,955.28 = 3,760.26 : x
  2. Step 2: Convert to fraction form
    11,968.26/17,955.28 = 3,760.26/x
  3. Step 3: Cross multiply
    11,968.26x = 17,955.28 × 3,760.26
  4. Step 4: Simplify right side
    11,968.26x = 67,516,521.17
  5. Step 5: Solve for x
    x = 67,516,521.17/11,968.26
  6. Step 6: Final answer
    x = 5,641.30

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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.