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Finding the Fourth Proportional to 18,247.68, 27,241.92 and 17,599.68

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Solution

The fourth proportional to 18,247.68, 27,241.92 and 17,599.68 is: 26,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.68 : 27,241.92 = 17,599.68 : x
  2. Step 2: Convert to fraction form
    18,247.68/27,241.92 = 17,599.68/x
  3. Step 3: Cross multiply
    18,247.68x = 27,241.92 × 17,599.68
  4. Step 4: Simplify right side
    18,247.68x = 479,449,074.59
  5. Step 5: Solve for x
    x = 479,449,074.59/18,247.68
  6. Step 6: Final answer
    x = 26,274.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.