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Finding the Fourth Proportional to 17,144.40, 25,673.40 and 11,269.20

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Solution

The fourth proportional to 17,144.40, 25,673.40 and 11,269.20 is: 16,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.40 : 25,673.40 = 11,269.20 : x
  2. Step 2: Convert to fraction form
    17,144.40/25,673.40 = 11,269.20/x
  3. Step 3: Cross multiply
    17,144.40x = 25,673.40 × 11,269.20
  4. Step 4: Simplify right side
    17,144.40x = 289,318,679.28
  5. Step 5: Solve for x
    x = 289,318,679.28/17,144.40
  6. Step 6: Final answer
    x = 16,875.40

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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.