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Finding the Fourth Proportional to 17,754.44, 26,636.96 and 5,274.88

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Solution

The fourth proportional to 17,754.44, 26,636.96 and 5,274.88 is: 7,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,754.44 : 26,636.96 = 5,274.88 : x
  2. Step 2: Convert to fraction form
    17,754.44/26,636.96 = 5,274.88/x
  3. Step 3: Cross multiply
    17,754.44x = 26,636.96 × 5,274.88
  4. Step 4: Simplify right side
    17,754.44x = 140,506,767.56
  5. Step 5: Solve for x
    x = 140,506,767.56/17,754.44
  6. Step 6: Final answer
    x = 7,913.89

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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.