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Finding the Fourth Proportional to 4,021, 5,549.13 and 2,252.62

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Solution

The fourth proportional to 4,021, 5,549.13 and 2,252.62 is: 3,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021 : 5,549.13 = 2,252.62 : x
  2. Step 2: Convert to fraction form
    4,021/5,549.13 = 2,252.62/x
  3. Step 3: Cross multiply
    4,021x = 5,549.13 × 2,252.62
  4. Step 4: Simplify right side
    4,021x = 12,500,081.22
  5. Step 5: Solve for x
    x = 12,500,081.22/4,021
  6. Step 6: Final answer
    x = 3,108.70

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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.