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Finding the Fourth Proportional to 3,523.68, 5,280.48 and 3,338.88

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Solution

The fourth proportional to 3,523.68, 5,280.48 and 3,338.88 is: 5,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.68 : 5,280.48 = 3,338.88 : x
  2. Step 2: Convert to fraction form
    3,523.68/5,280.48 = 3,338.88/x
  3. Step 3: Cross multiply
    3,523.68x = 5,280.48 × 3,338.88
  4. Step 4: Simplify right side
    3,523.68x = 17,630,889.06
  5. Step 5: Solve for x
    x = 17,630,889.06/3,523.68
  6. Step 6: Final answer
    x = 5,003.54

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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.