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Finding the Fourth Proportional to 5,493.20, 8,240.60 and 1,795.60

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Solution

The fourth proportional to 5,493.20, 8,240.60 and 1,795.60 is: 2,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.20 : 8,240.60 = 1,795.60 : x
  2. Step 2: Convert to fraction form
    5,493.20/8,240.60 = 1,795.60/x
  3. Step 3: Cross multiply
    5,493.20x = 8,240.60 × 1,795.60
  4. Step 4: Simplify right side
    5,493.20x = 14,796,821.36
  5. Step 5: Solve for x
    x = 14,796,821.36/5,493.20
  6. Step 6: Final answer
    x = 2,693.66

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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.