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Finding the Fourth Proportional to 17,015.60, 25,523.40 and 15,201.20

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Solution

The fourth proportional to 17,015.60, 25,523.40 and 15,201.20 is: 22,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.60 : 25,523.40 = 15,201.20 : x
  2. Step 2: Convert to fraction form
    17,015.60/25,523.40 = 15,201.20/x
  3. Step 3: Cross multiply
    17,015.60x = 25,523.40 × 15,201.20
  4. Step 4: Simplify right side
    17,015.60x = 387,986,308.08
  5. Step 5: Solve for x
    x = 387,986,308.08/17,015.60
  6. Step 6: Final answer
    x = 22,801.80

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Similar ratio
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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.