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Finding the Fourth Proportional to 3,614.74, 4,984.02 and 3,018.09

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Solution

The fourth proportional to 3,614.74, 4,984.02 and 3,018.09 is: 4,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.74 : 4,984.02 = 3,018.09 : x
  2. Step 2: Convert to fraction form
    3,614.74/4,984.02 = 3,018.09/x
  3. Step 3: Cross multiply
    3,614.74x = 4,984.02 × 3,018.09
  4. Step 4: Simplify right side
    3,614.74x = 15,042,220.92
  5. Step 5: Solve for x
    x = 15,042,220.92/3,614.74
  6. Step 6: Final answer
    x = 4,161.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.