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Finding the Fourth Proportional to 3,018.62, 4,528.17 and 827.52

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Solution

The fourth proportional to 3,018.62, 4,528.17 and 827.52 is: 1,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.62 : 4,528.17 = 827.52 : x
  2. Step 2: Convert to fraction form
    3,018.62/4,528.17 = 827.52/x
  3. Step 3: Cross multiply
    3,018.62x = 4,528.17 × 827.52
  4. Step 4: Simplify right side
    3,018.62x = 3,747,151.24
  5. Step 5: Solve for x
    x = 3,747,151.24/3,018.62
  6. Step 6: Final answer
    x = 1,241.35

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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.