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Finding the Fourth Proportional to 25,570.44, 38,369.44 and 10,789.60

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Solution

The fourth proportional to 25,570.44, 38,369.44 and 10,789.60 is: 16,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.44 : 38,369.44 = 10,789.60 : x
  2. Step 2: Convert to fraction form
    25,570.44/38,369.44 = 10,789.60/x
  3. Step 3: Cross multiply
    25,570.44x = 38,369.44 × 10,789.60
  4. Step 4: Simplify right side
    25,570.44x = 413,990,909.82
  5. Step 5: Solve for x
    x = 413,990,909.82/25,570.44
  6. Step 6: Final answer
    x = 16,190.21

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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.