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Finding the Fourth Proportional to 8,592.45, 12,893.02 and 3,911.81

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Solution

The fourth proportional to 8,592.45, 12,893.02 and 3,911.81 is: 5,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.45 : 12,893.02 = 3,911.81 : x
  2. Step 2: Convert to fraction form
    8,592.45/12,893.02 = 3,911.81/x
  3. Step 3: Cross multiply
    8,592.45x = 12,893.02 × 3,911.81
  4. Step 4: Simplify right side
    8,592.45x = 50,435,064.85
  5. Step 5: Solve for x
    x = 50,435,064.85/8,592.45
  6. Step 6: Final answer
    x = 5,869.70

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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.