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Finding the Fourth Proportional to 8,580.06, 11,845.80 and 6,586.80

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Solution

The fourth proportional to 8,580.06, 11,845.80 and 6,586.80 is: 9,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.06 : 11,845.80 = 6,586.80 : x
  2. Step 2: Convert to fraction form
    8,580.06/11,845.80 = 6,586.80/x
  3. Step 3: Cross multiply
    8,580.06x = 11,845.80 × 6,586.80
  4. Step 4: Simplify right side
    8,580.06x = 78,025,915.44
  5. Step 5: Solve for x
    x = 78,025,915.44/8,580.06
  6. Step 6: Final answer
    x = 9,093.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.