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Finding the Fourth Proportional to 5,446.70, 8,169.84 and 1,551.10

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Solution

The fourth proportional to 5,446.70, 8,169.84 and 1,551.10 is: 2,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.70 : 8,169.84 = 1,551.10 : x
  2. Step 2: Convert to fraction form
    5,446.70/8,169.84 = 1,551.10/x
  3. Step 3: Cross multiply
    5,446.70x = 8,169.84 × 1,551.10
  4. Step 4: Simplify right side
    5,446.70x = 12,672,238.82
  5. Step 5: Solve for x
    x = 12,672,238.82/5,446.70
  6. Step 6: Final answer
    x = 2,326.59

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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.