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Finding the Fourth Proportional to 25,171.80, 37,757.54 and 8,543.54

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Solution

The fourth proportional to 25,171.80, 37,757.54 and 8,543.54 is: 12,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.80 : 37,757.54 = 8,543.54 : x
  2. Step 2: Convert to fraction form
    25,171.80/37,757.54 = 8,543.54/x
  3. Step 3: Cross multiply
    25,171.80x = 37,757.54 × 8,543.54
  4. Step 4: Simplify right side
    25,171.80x = 322,583,104.97
  5. Step 5: Solve for x
    x = 322,583,104.97/25,171.80
  6. Step 6: Final answer
    x = 12,815.26

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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.