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Finding the Fourth Proportional to 25,644.88, 35,395.60 and 16,211.60

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Solution

The fourth proportional to 25,644.88, 35,395.60 and 16,211.60 is: 22,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.88 : 35,395.60 = 16,211.60 : x
  2. Step 2: Convert to fraction form
    25,644.88/35,395.60 = 16,211.60/x
  3. Step 3: Cross multiply
    25,644.88x = 35,395.60 × 16,211.60
  4. Step 4: Simplify right side
    25,644.88x = 573,819,308.96
  5. Step 5: Solve for x
    x = 573,819,308.96/25,644.88
  6. Step 6: Final answer
    x = 22,375.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.