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Finding the Fourth Proportional to 1,682.70, 2,524.08 and 804.24

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Solution

The fourth proportional to 1,682.70, 2,524.08 and 804.24 is: 1,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.70 : 2,524.08 = 804.24 : x
  2. Step 2: Convert to fraction form
    1,682.70/2,524.08 = 804.24/x
  3. Step 3: Cross multiply
    1,682.70x = 2,524.08 × 804.24
  4. Step 4: Simplify right side
    1,682.70x = 2,029,966.10
  5. Step 5: Solve for x
    x = 2,029,966.10/1,682.70
  6. Step 6: Final answer
    x = 1,206.37

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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.