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Finding the Fourth Proportional to 11,960.01, 17,940 and 9,871.02

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Solution

The fourth proportional to 11,960.01, 17,940 and 9,871.02 is: 14,806.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.01 : 17,940 = 9,871.02 : x
  2. Step 2: Convert to fraction form
    11,960.01/17,940 = 9,871.02/x
  3. Step 3: Cross multiply
    11,960.01x = 17,940 × 9,871.02
  4. Step 4: Simplify right side
    11,960.01x = 177,086,098.80
  5. Step 5: Solve for x
    x = 177,086,098.80/11,960.01
  6. Step 6: Final answer
    x = 14,806.52

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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.