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Finding the Fourth Proportional to 17,851.98, 26,740.17 and 11,274.78

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Solution

The fourth proportional to 17,851.98, 26,740.17 and 11,274.78 is: 16,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.98 : 26,740.17 = 11,274.78 : x
  2. Step 2: Convert to fraction form
    17,851.98/26,740.17 = 11,274.78/x
  3. Step 3: Cross multiply
    17,851.98x = 26,740.17 × 11,274.78
  4. Step 4: Simplify right side
    17,851.98x = 301,489,533.91
  5. Step 5: Solve for x
    x = 301,489,533.91/17,851.98
  6. Step 6: Final answer
    x = 16,888.30

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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.