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Finding the Fourth Proportional to 17,151.70, 25,729.55 and 5,466.10

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Solution

The fourth proportional to 17,151.70, 25,729.55 and 5,466.10 is: 8,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.70 : 25,729.55 = 5,466.10 : x
  2. Step 2: Convert to fraction form
    17,151.70/25,729.55 = 5,466.10/x
  3. Step 3: Cross multiply
    17,151.70x = 25,729.55 × 5,466.10
  4. Step 4: Simplify right side
    17,151.70x = 140,640,293.26
  5. Step 5: Solve for x
    x = 140,640,293.26/17,151.70
  6. Step 6: Final answer
    x = 8,199.79

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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.