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Finding the Fourth Proportional to 18,591.96, 25,657.44 and 10,525

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Solution

The fourth proportional to 18,591.96, 25,657.44 and 10,525 is: 14,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.96 : 25,657.44 = 10,525 : x
  2. Step 2: Convert to fraction form
    18,591.96/25,657.44 = 10,525/x
  3. Step 3: Cross multiply
    18,591.96x = 25,657.44 × 10,525
  4. Step 4: Simplify right side
    18,591.96x = 270,044,556
  5. Step 5: Solve for x
    x = 270,044,556/18,591.96
  6. Step 6: Final answer
    x = 14,524.80

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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.