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Finding the Fourth Proportional to 29,119.88, 43,679.58 and 8,343.40

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Solution

The fourth proportional to 29,119.88, 43,679.58 and 8,343.40 is: 12,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119.88 : 43,679.58 = 8,343.40 : x
  2. Step 2: Convert to fraction form
    29,119.88/43,679.58 = 8,343.40/x
  3. Step 3: Cross multiply
    29,119.88x = 43,679.58 × 8,343.40
  4. Step 4: Simplify right side
    29,119.88x = 364,436,207.77
  5. Step 5: Solve for x
    x = 364,436,207.77/29,119.88
  6. Step 6: Final answer
    x = 12,515.03

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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.