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Finding the Fourth Proportional to 5,481.43, 7,566.84 and 3,494.65

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Solution

The fourth proportional to 5,481.43, 7,566.84 and 3,494.65 is: 4,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.43 : 7,566.84 = 3,494.65 : x
  2. Step 2: Convert to fraction form
    5,481.43/7,566.84 = 3,494.65/x
  3. Step 3: Cross multiply
    5,481.43x = 7,566.84 × 3,494.65
  4. Step 4: Simplify right side
    5,481.43x = 26,443,457.41
  5. Step 5: Solve for x
    x = 26,443,457.41/5,481.43
  6. Step 6: Final answer
    x = 4,824.19

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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.