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Finding the Fourth Proportional to 29,173.16, 43,759.74 and 8,396.66

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Solution

The fourth proportional to 29,173.16, 43,759.74 and 8,396.66 is: 12,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.16 : 43,759.74 = 8,396.66 : x
  2. Step 2: Convert to fraction form
    29,173.16/43,759.74 = 8,396.66/x
  3. Step 3: Cross multiply
    29,173.16x = 43,759.74 × 8,396.66
  4. Step 4: Simplify right side
    29,173.16x = 367,435,658.47
  5. Step 5: Solve for x
    x = 367,435,658.47/29,173.16
  6. Step 6: Final answer
    x = 12,594.99

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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.