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Finding the Fourth Proportional to 17,325.20, 25,983.02 and 7,326.56

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Solution

The fourth proportional to 17,325.20, 25,983.02 and 7,326.56 is: 10,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,325.20 : 25,983.02 = 7,326.56 : x
  2. Step 2: Convert to fraction form
    17,325.20/25,983.02 = 7,326.56/x
  3. Step 3: Cross multiply
    17,325.20x = 25,983.02 × 7,326.56
  4. Step 4: Simplify right side
    17,325.20x = 190,366,155.01
  5. Step 5: Solve for x
    x = 190,366,155.01/17,325.20
  6. Step 6: Final answer
    x = 10,987.82

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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.