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Finding the Fourth Proportional to 12,044.70, 18,072.18 and 6,496.74

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Solution

The fourth proportional to 12,044.70, 18,072.18 and 6,496.74 is: 9,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.70 : 18,072.18 = 6,496.74 : x
  2. Step 2: Convert to fraction form
    12,044.70/18,072.18 = 6,496.74/x
  3. Step 3: Cross multiply
    12,044.70x = 18,072.18 × 6,496.74
  4. Step 4: Simplify right side
    12,044.70x = 117,410,254.69
  5. Step 5: Solve for x
    x = 117,410,254.69/12,044.70
  6. Step 6: Final answer
    x = 9,747.88

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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.