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Finding the Fourth Proportional to 23,989.84, 35,985.21 and 8,198.49

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Solution

The fourth proportional to 23,989.84, 35,985.21 and 8,198.49 is: 12,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.84 : 35,985.21 = 8,198.49 : x
  2. Step 2: Convert to fraction form
    23,989.84/35,985.21 = 8,198.49/x
  3. Step 3: Cross multiply
    23,989.84x = 35,985.21 × 8,198.49
  4. Step 4: Simplify right side
    23,989.84x = 295,024,384.33
  5. Step 5: Solve for x
    x = 295,024,384.33/23,989.84
  6. Step 6: Final answer
    x = 12,297.89

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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.