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Finding the Fourth Proportional to 11,891.22, 17,740.00 and 10,926.90

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Solution

The fourth proportional to 11,891.22, 17,740.00 and 10,926.90 is: 16,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.22 : 17,740.00 = 10,926.90 : x
  2. Step 2: Convert to fraction form
    11,891.22/17,740.00 = 10,926.90/x
  3. Step 3: Cross multiply
    11,891.22x = 17,740.00 × 10,926.90
  4. Step 4: Simplify right side
    11,891.22x = 193,843,158.19
  5. Step 5: Solve for x
    x = 193,843,158.19/11,891.22
  6. Step 6: Final answer
    x = 16,301.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.