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Finding the Fourth Proportional to 17,116.09, 25,669.04 and 7,255.21

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Solution

The fourth proportional to 17,116.09, 25,669.04 and 7,255.21 is: 10,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.09 : 25,669.04 = 7,255.21 : x
  2. Step 2: Convert to fraction form
    17,116.09/25,669.04 = 7,255.21/x
  3. Step 3: Cross multiply
    17,116.09x = 25,669.04 × 7,255.21
  4. Step 4: Simplify right side
    17,116.09x = 186,234,239.42
  5. Step 5: Solve for x
    x = 186,234,239.42/17,116.09
  6. Step 6: Final answer
    x = 10,880.65

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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.