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Finding the Fourth Proportional to 4,997.31, 7,504.47 and 4,788.33

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Solution

The fourth proportional to 4,997.31, 7,504.47 and 4,788.33 is: 7,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.31 : 7,504.47 = 4,788.33 : x
  2. Step 2: Convert to fraction form
    4,997.31/7,504.47 = 4,788.33/x
  3. Step 3: Cross multiply
    4,997.31x = 7,504.47 × 4,788.33
  4. Step 4: Simplify right side
    4,997.31x = 35,933,878.84
  5. Step 5: Solve for x
    x = 35,933,878.84/4,997.31
  6. Step 6: Final answer
    x = 7,190.64

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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.