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Finding the Fourth Proportional to 8,555.98, 12,833.94 and 6,835.54

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Solution

The fourth proportional to 8,555.98, 12,833.94 and 6,835.54 is: 10,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.98 : 12,833.94 = 6,835.54 : x
  2. Step 2: Convert to fraction form
    8,555.98/12,833.94 = 6,835.54/x
  3. Step 3: Cross multiply
    8,555.98x = 12,833.94 × 6,835.54
  4. Step 4: Simplify right side
    8,555.98x = 87,726,910.23
  5. Step 5: Solve for x
    x = 87,726,910.23/8,555.98
  6. Step 6: Final answer
    x = 10,253.29

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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.