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Finding the Fourth Proportional to 17,115.52, 25,673.28 and 6,727

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Solution

The fourth proportional to 17,115.52, 25,673.28 and 6,727 is: 10,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.52 : 25,673.28 = 6,727 : x
  2. Step 2: Convert to fraction form
    17,115.52/25,673.28 = 6,727/x
  3. Step 3: Cross multiply
    17,115.52x = 25,673.28 × 6,727
  4. Step 4: Simplify right side
    17,115.52x = 172,704,154.56
  5. Step 5: Solve for x
    x = 172,704,154.56/17,115.52
  6. Step 6: Final answer
    x = 10,090.50

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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.