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Finding the Fourth Proportional to 11,843.61, 17,766.05 and 11,253.03

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Solution

The fourth proportional to 11,843.61, 17,766.05 and 11,253.03 is: 16,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.61 : 17,766.05 = 11,253.03 : x
  2. Step 2: Convert to fraction form
    11,843.61/17,766.05 = 11,253.03/x
  3. Step 3: Cross multiply
    11,843.61x = 17,766.05 × 11,253.03
  4. Step 4: Simplify right side
    11,843.61x = 199,921,837.37
  5. Step 5: Solve for x
    x = 199,921,837.37/11,843.61
  6. Step 6: Final answer
    x = 16,880.14

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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.