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Finding the Fourth Proportional to 17,004.80, 25,507.20 and 15,903.20

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Solution

The fourth proportional to 17,004.80, 25,507.20 and 15,903.20 is: 23,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,004.80 : 25,507.20 = 15,903.20 : x
  2. Step 2: Convert to fraction form
    17,004.80/25,507.20 = 15,903.20/x
  3. Step 3: Cross multiply
    17,004.80x = 25,507.20 × 15,903.20
  4. Step 4: Simplify right side
    17,004.80x = 405,646,103.04
  5. Step 5: Solve for x
    x = 405,646,103.04/17,004.80
  6. Step 6: Final answer
    x = 23,854.80

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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.