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Finding the Fourth Proportional to 34,029.40, 50,946.90 and 30,530.20

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Solution

The fourth proportional to 34,029.40, 50,946.90 and 30,530.20 is: 45,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,029.40 : 50,946.90 = 30,530.20 : x
  2. Step 2: Convert to fraction form
    34,029.40/50,946.90 = 30,530.20/x
  3. Step 3: Cross multiply
    34,029.40x = 50,946.90 × 30,530.20
  4. Step 4: Simplify right side
    34,029.40x = 1,555,419,046.38
  5. Step 5: Solve for x
    x = 1,555,419,046.38/34,029.40
  6. Step 6: Final answer
    x = 45,708.09

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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.