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Finding the Fourth Proportional to 6,592.74, 9,890.66 and 1,912.87

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Solution

The fourth proportional to 6,592.74, 9,890.66 and 1,912.87 is: 2,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,592.74 : 9,890.66 = 1,912.87 : x
  2. Step 2: Convert to fraction form
    6,592.74/9,890.66 = 1,912.87/x
  3. Step 3: Cross multiply
    6,592.74x = 9,890.66 × 1,912.87
  4. Step 4: Simplify right side
    6,592.74x = 18,919,497.54
  5. Step 5: Solve for x
    x = 18,919,497.54/6,592.74
  6. Step 6: Final answer
    x = 2,869.75

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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.