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Finding the Fourth Proportional to 45,768.95, 68,600.70 and 17,676.62

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Solution

The fourth proportional to 45,768.95, 68,600.70 and 17,676.62 is: 26,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,768.95 : 68,600.70 = 17,676.62 : x
  2. Step 2: Convert to fraction form
    45,768.95/68,600.70 = 17,676.62/x
  3. Step 3: Cross multiply
    45,768.95x = 68,600.70 × 17,676.62
  4. Step 4: Simplify right side
    45,768.95x = 1,212,628,505.63
  5. Step 5: Solve for x
    x = 1,212,628,505.63/45,768.95
  6. Step 6: Final answer
    x = 26,494.57

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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.