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Finding the Fourth Proportional to 45,907.62, 68,850.08 and 12,626.07

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Solution

The fourth proportional to 45,907.62, 68,850.08 and 12,626.07 is: 18,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,907.62 : 68,850.08 = 12,626.07 : x
  2. Step 2: Convert to fraction form
    45,907.62/68,850.08 = 12,626.07/x
  3. Step 3: Cross multiply
    45,907.62x = 68,850.08 × 12,626.07
  4. Step 4: Simplify right side
    45,907.62x = 869,305,929.59
  5. Step 5: Solve for x
    x = 869,305,929.59/45,907.62
  6. Step 6: Final answer
    x = 18,935.98

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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.