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Finding the Fourth Proportional to 8,336.33, 12,490.64 and 5,865.96

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Solution

The fourth proportional to 8,336.33, 12,490.64 and 5,865.96 is: 8,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.33 : 12,490.64 = 5,865.96 : x
  2. Step 2: Convert to fraction form
    8,336.33/12,490.64 = 5,865.96/x
  3. Step 3: Cross multiply
    8,336.33x = 12,490.64 × 5,865.96
  4. Step 4: Simplify right side
    8,336.33x = 73,269,594.61
  5. Step 5: Solve for x
    x = 73,269,594.61/8,336.33
  6. Step 6: Final answer
    x = 8,789.19

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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.