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Finding the Fourth Proportional to 11,750.52, 17,714.73 and 11,115.48

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Solution

The fourth proportional to 11,750.52, 17,714.73 and 11,115.48 is: 16,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.52 : 17,714.73 = 11,115.48 : x
  2. Step 2: Convert to fraction form
    11,750.52/17,714.73 = 11,115.48/x
  3. Step 3: Cross multiply
    11,750.52x = 17,714.73 × 11,115.48
  4. Step 4: Simplify right side
    11,750.52x = 196,907,727.02
  5. Step 5: Solve for x
    x = 196,907,727.02/11,750.52
  6. Step 6: Final answer
    x = 16,757.36

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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.