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Finding the Fourth Proportional to 25,495.74, 35,174.28 and 18,797.28

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Solution

The fourth proportional to 25,495.74, 35,174.28 and 18,797.28 is: 25,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.74 : 35,174.28 = 18,797.28 : x
  2. Step 2: Convert to fraction form
    25,495.74/35,174.28 = 18,797.28/x
  3. Step 3: Cross multiply
    25,495.74x = 35,174.28 × 18,797.28
  4. Step 4: Simplify right side
    25,495.74x = 661,180,789.96
  5. Step 5: Solve for x
    x = 661,180,789.96/25,495.74
  6. Step 6: Final answer
    x = 25,932.99

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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.