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Finding the Fourth Proportional to 35,997.84, 54,013.16 and 18,479.98

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Solution

The fourth proportional to 35,997.84, 54,013.16 and 18,479.98 is: 27,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,997.84 : 54,013.16 = 18,479.98 : x
  2. Step 2: Convert to fraction form
    35,997.84/54,013.16 = 18,479.98/x
  3. Step 3: Cross multiply
    35,997.84x = 54,013.16 × 18,479.98
  4. Step 4: Simplify right side
    35,997.84x = 998,162,116.54
  5. Step 5: Solve for x
    x = 998,162,116.54/35,997.84
  6. Step 6: Final answer
    x = 27,728.39

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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.