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Finding the Fourth Proportional to 5,446.74, 8,169.80 and 1,551.05

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Solution

The fourth proportional to 5,446.74, 8,169.80 and 1,551.05 is: 2,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.74 : 8,169.80 = 1,551.05 : x
  2. Step 2: Convert to fraction form
    5,446.74/8,169.80 = 1,551.05/x
  3. Step 3: Cross multiply
    5,446.74x = 8,169.80 × 1,551.05
  4. Step 4: Simplify right side
    5,446.74x = 12,671,727.44
  5. Step 5: Solve for x
    x = 12,671,727.44/5,446.74
  6. Step 6: Final answer
    x = 2,326.48

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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.