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Finding the Fourth Proportional to 8,649.89, 11,937.09 and 4,873.09

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Solution

The fourth proportional to 8,649.89, 11,937.09 and 4,873.09 is: 6,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.89 : 11,937.09 = 4,873.09 : x
  2. Step 2: Convert to fraction form
    8,649.89/11,937.09 = 4,873.09/x
  3. Step 3: Cross multiply
    8,649.89x = 11,937.09 × 4,873.09
  4. Step 4: Simplify right side
    8,649.89x = 58,170,489.54
  5. Step 5: Solve for x
    x = 58,170,489.54/8,649.89
  6. Step 6: Final answer
    x = 6,725.00

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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.