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Finding the Fourth Proportional to 5,327.70, 7,355.38 and 4,736.60

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Solution

The fourth proportional to 5,327.70, 7,355.38 and 4,736.60 is: 6,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.70 : 7,355.38 = 4,736.60 : x
  2. Step 2: Convert to fraction form
    5,327.70/7,355.38 = 4,736.60/x
  3. Step 3: Cross multiply
    5,327.70x = 7,355.38 × 4,736.60
  4. Step 4: Simplify right side
    5,327.70x = 34,839,485.66
  5. Step 5: Solve for x
    x = 34,839,485.66/5,327.70
  6. Step 6: Final answer
    x = 6,539.31

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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.