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Finding the Fourth Proportional to 22,797.68, 34,195.88 and 12,429.68

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Solution

The fourth proportional to 22,797.68, 34,195.88 and 12,429.68 is: 18,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,797.68 : 34,195.88 = 12,429.68 : x
  2. Step 2: Convert to fraction form
    22,797.68/34,195.88 = 12,429.68/x
  3. Step 3: Cross multiply
    22,797.68x = 34,195.88 × 12,429.68
  4. Step 4: Simplify right side
    22,797.68x = 425,043,845.72
  5. Step 5: Solve for x
    x = 425,043,845.72/22,797.68
  6. Step 6: Final answer
    x = 18,644.17

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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.