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Finding the Fourth Proportional to 6,630.69, 9,945.96 and 2,013.69

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Solution

The fourth proportional to 6,630.69, 9,945.96 and 2,013.69 is: 3,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.69 : 9,945.96 = 2,013.69 : x
  2. Step 2: Convert to fraction form
    6,630.69/9,945.96 = 2,013.69/x
  3. Step 3: Cross multiply
    6,630.69x = 9,945.96 × 2,013.69
  4. Step 4: Simplify right side
    6,630.69x = 20,028,080.19
  5. Step 5: Solve for x
    x = 20,028,080.19/6,630.69
  6. Step 6: Final answer
    x = 3,020.51

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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.