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Finding the Fourth Proportional to 6,903.90, 9,576.19 and 6,654.83

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Solution

The fourth proportional to 6,903.90, 9,576.19 and 6,654.83 is: 9,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.90 : 9,576.19 = 6,654.83 : x
  2. Step 2: Convert to fraction form
    6,903.90/9,576.19 = 6,654.83/x
  3. Step 3: Cross multiply
    6,903.90x = 9,576.19 × 6,654.83
  4. Step 4: Simplify right side
    6,903.90x = 63,727,876.94
  5. Step 5: Solve for x
    x = 63,727,876.94/6,903.90
  6. Step 6: Final answer
    x = 9,230.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.