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Finding the Fourth Proportional to 5,629.74, 8,396.79 and 4,893.45

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Solution

The fourth proportional to 5,629.74, 8,396.79 and 4,893.45 is: 7,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.74 : 8,396.79 = 4,893.45 : x
  2. Step 2: Convert to fraction form
    5,629.74/8,396.79 = 4,893.45/x
  3. Step 3: Cross multiply
    5,629.74x = 8,396.79 × 4,893.45
  4. Step 4: Simplify right side
    5,629.74x = 41,089,272.03
  5. Step 5: Solve for x
    x = 41,089,272.03/5,629.74
  6. Step 6: Final answer
    x = 7,298.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.