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Finding the Fourth Proportional to 68,626.52, 102,925.38 and 19,367

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Solution

The fourth proportional to 68,626.52, 102,925.38 and 19,367 is: 29,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.52 : 102,925.38 = 19,367 : x
  2. Step 2: Convert to fraction form
    68,626.52/102,925.38 = 19,367/x
  3. Step 3: Cross multiply
    68,626.52x = 102,925.38 × 19,367
  4. Step 4: Simplify right side
    68,626.52x = 1,993,355,834.46
  5. Step 5: Solve for x
    x = 1,993,355,834.46/68,626.52
  6. Step 6: Final answer
    x = 29,046.44

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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.