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Finding the Fourth Proportional to 44,644, 66,966 and 34,790.65

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Solution

The fourth proportional to 44,644, 66,966 and 34,790.65 is: 52,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,644 : 66,966 = 34,790.65 : x
  2. Step 2: Convert to fraction form
    44,644/66,966 = 34,790.65/x
  3. Step 3: Cross multiply
    44,644x = 66,966 × 34,790.65
  4. Step 4: Simplify right side
    44,644x = 2,329,790,667.90
  5. Step 5: Solve for x
    x = 2,329,790,667.90/44,644
  6. Step 6: Final answer
    x = 52,185.98

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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.