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Finding the Fourth Proportional to 6,596.70, 9,900.45 and 6,380.70

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Solution

The fourth proportional to 6,596.70, 9,900.45 and 6,380.70 is: 9,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596.70 : 9,900.45 = 6,380.70 : x
  2. Step 2: Convert to fraction form
    6,596.70/9,900.45 = 6,380.70/x
  3. Step 3: Cross multiply
    6,596.70x = 9,900.45 × 6,380.70
  4. Step 4: Simplify right side
    6,596.70x = 63,171,801.32
  5. Step 5: Solve for x
    x = 63,171,801.32/6,596.70
  6. Step 6: Final answer
    x = 9,576.27

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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.