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Finding the Fourth Proportional to 3,566.80, 5,349.66 and 2,754.64

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Solution

The fourth proportional to 3,566.80, 5,349.66 and 2,754.64 is: 4,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.80 : 5,349.66 = 2,754.64 : x
  2. Step 2: Convert to fraction form
    3,566.80/5,349.66 = 2,754.64/x
  3. Step 3: Cross multiply
    3,566.80x = 5,349.66 × 2,754.64
  4. Step 4: Simplify right side
    3,566.80x = 14,736,387.42
  5. Step 5: Solve for x
    x = 14,736,387.42/3,566.80
  6. Step 6: Final answer
    x = 4,131.54

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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.