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Finding the Fourth Proportional to 22,694.40, 34,025.40 and 12,836.70

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Solution

The fourth proportional to 22,694.40, 34,025.40 and 12,836.70 is: 19,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.40 : 34,025.40 = 12,836.70 : x
  2. Step 2: Convert to fraction form
    22,694.40/34,025.40 = 12,836.70/x
  3. Step 3: Cross multiply
    22,694.40x = 34,025.40 × 12,836.70
  4. Step 4: Simplify right side
    22,694.40x = 436,773,852.18
  5. Step 5: Solve for x
    x = 436,773,852.18/22,694.40
  6. Step 6: Final answer
    x = 19,245.89

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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.