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Finding the Fourth Proportional to 53,825.99, 80,739.03 and 25,739.42

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Solution

The fourth proportional to 53,825.99, 80,739.03 and 25,739.42 is: 38,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,825.99 : 80,739.03 = 25,739.42 : x
  2. Step 2: Convert to fraction form
    53,825.99/80,739.03 = 25,739.42/x
  3. Step 3: Cross multiply
    53,825.99x = 80,739.03 × 25,739.42
  4. Step 4: Simplify right side
    53,825.99x = 2,078,175,803.56
  5. Step 5: Solve for x
    x = 2,078,175,803.56/53,825.99
  6. Step 6: Final answer
    x = 38,609.15

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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.