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Finding the Fourth Proportional to 25,863.64, 35,692.19 and 15,253.27

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Solution

The fourth proportional to 25,863.64, 35,692.19 and 15,253.27 is: 21,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863.64 : 35,692.19 = 15,253.27 : x
  2. Step 2: Convert to fraction form
    25,863.64/35,692.19 = 15,253.27/x
  3. Step 3: Cross multiply
    25,863.64x = 35,692.19 × 15,253.27
  4. Step 4: Simplify right side
    25,863.64x = 544,422,610.96
  5. Step 5: Solve for x
    x = 544,422,610.96/25,863.64
  6. Step 6: Final answer
    x = 21,049.73

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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.