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Finding the Fourth Proportional to 29,061.62, 43,599.72 and 8,285.12

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Solution

The fourth proportional to 29,061.62, 43,599.72 and 8,285.12 is: 12,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.62 : 43,599.72 = 8,285.12 : x
  2. Step 2: Convert to fraction form
    29,061.62/43,599.72 = 8,285.12/x
  3. Step 3: Cross multiply
    29,061.62x = 43,599.72 × 8,285.12
  4. Step 4: Simplify right side
    29,061.62x = 361,228,912.17
  5. Step 5: Solve for x
    x = 361,228,912.17/29,061.62
  6. Step 6: Final answer
    x = 12,429.76

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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.