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Finding the Fourth Proportional to 25,873.80, 35,719.44 and 17,420.37

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Solution

The fourth proportional to 25,873.80, 35,719.44 and 17,420.37 is: 24,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.80 : 35,719.44 = 17,420.37 : x
  2. Step 2: Convert to fraction form
    25,873.80/35,719.44 = 17,420.37/x
  3. Step 3: Cross multiply
    25,873.80x = 35,719.44 × 17,420.37
  4. Step 4: Simplify right side
    25,873.80x = 622,245,860.99
  5. Step 5: Solve for x
    x = 622,245,860.99/25,873.80
  6. Step 6: Final answer
    x = 24,049.26

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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.