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Finding the Fourth Proportional to 17,152.18, 25,728.21 and 11,266.21

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Solution

The fourth proportional to 17,152.18, 25,728.21 and 11,266.21 is: 16,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152.18 : 25,728.21 = 11,266.21 : x
  2. Step 2: Convert to fraction form
    17,152.18/25,728.21 = 11,266.21/x
  3. Step 3: Cross multiply
    17,152.18x = 25,728.21 × 11,266.21
  4. Step 4: Simplify right side
    17,152.18x = 289,859,416.78
  5. Step 5: Solve for x
    x = 289,859,416.78/17,152.18
  6. Step 6: Final answer
    x = 16,899.28

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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.