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Finding the Fourth Proportional to 8,375.89, 11,558.73 and 4,649.89

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Solution

The fourth proportional to 8,375.89, 11,558.73 and 4,649.89 is: 6,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.89 : 11,558.73 = 4,649.89 : x
  2. Step 2: Convert to fraction form
    8,375.89/11,558.73 = 4,649.89/x
  3. Step 3: Cross multiply
    8,375.89x = 11,558.73 × 4,649.89
  4. Step 4: Simplify right side
    8,375.89x = 53,746,823.04
  5. Step 5: Solve for x
    x = 53,746,823.04/8,375.89
  6. Step 6: Final answer
    x = 6,416.85

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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.