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Finding the Fourth Proportional to 17,001.40, 25,502.10 and 16,892.20

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Solution

The fourth proportional to 17,001.40, 25,502.10 and 16,892.20 is: 25,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.40 : 25,502.10 = 16,892.20 : x
  2. Step 2: Convert to fraction form
    17,001.40/25,502.10 = 16,892.20/x
  3. Step 3: Cross multiply
    17,001.40x = 25,502.10 × 16,892.20
  4. Step 4: Simplify right side
    17,001.40x = 430,786,573.62
  5. Step 5: Solve for x
    x = 430,786,573.62/17,001.40
  6. Step 6: Final answer
    x = 25,338.30

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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.