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Finding the Fourth Proportional to 4,987.44, 6,832.82 and 4,800.60

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Solution

The fourth proportional to 4,987.44, 6,832.82 and 4,800.60 is: 6,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.44 : 6,832.82 = 4,800.60 : x
  2. Step 2: Convert to fraction form
    4,987.44/6,832.82 = 4,800.60/x
  3. Step 3: Cross multiply
    4,987.44x = 6,832.82 × 4,800.60
  4. Step 4: Simplify right side
    4,987.44x = 32,801,647.69
  5. Step 5: Solve for x
    x = 32,801,647.69/4,987.44
  6. Step 6: Final answer
    x = 6,576.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.