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Finding the Fourth Proportional to 11,851.68, 17,847.84 and 10,554.06

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Solution

The fourth proportional to 11,851.68, 17,847.84 and 10,554.06 is: 15,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.68 : 17,847.84 = 10,554.06 : x
  2. Step 2: Convert to fraction form
    11,851.68/17,847.84 = 10,554.06/x
  3. Step 3: Cross multiply
    11,851.68x = 17,847.84 × 10,554.06
  4. Step 4: Simplify right side
    11,851.68x = 188,367,174.23
  5. Step 5: Solve for x
    x = 188,367,174.23/11,851.68
  6. Step 6: Final answer
    x = 15,893.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.