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Finding the Fourth Proportional to 45,900, 68,845.68 and 14,735.52

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Solution

The fourth proportional to 45,900, 68,845.68 and 14,735.52 is: 22,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900 : 68,845.68 = 14,735.52 : x
  2. Step 2: Convert to fraction form
    45,900/68,845.68 = 14,735.52/x
  3. Step 3: Cross multiply
    45,900x = 68,845.68 × 14,735.52
  4. Step 4: Simplify right side
    45,900x = 1,014,476,894.55
  5. Step 5: Solve for x
    x = 1,014,476,894.55/45,900
  6. Step 6: Final answer
    x = 22,101.89

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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.