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Finding the Fourth Proportional to 4,133.70, 6,200.70 and 1,212.03

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Solution

The fourth proportional to 4,133.70, 6,200.70 and 1,212.03 is: 1,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.70 : 6,200.70 = 1,212.03 : x
  2. Step 2: Convert to fraction form
    4,133.70/6,200.70 = 1,212.03/x
  3. Step 3: Cross multiply
    4,133.70x = 6,200.70 × 1,212.03
  4. Step 4: Simplify right side
    4,133.70x = 7,515,434.42
  5. Step 5: Solve for x
    x = 7,515,434.42/4,133.70
  6. Step 6: Final answer
    x = 1,818.09

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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.