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Finding the Fourth Proportional to 45,739.50, 68,560.03 and 29,894.68

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Solution

The fourth proportional to 45,739.50, 68,560.03 and 29,894.68 is: 44,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.50 : 68,560.03 = 29,894.68 : x
  2. Step 2: Convert to fraction form
    45,739.50/68,560.03 = 29,894.68/x
  3. Step 3: Cross multiply
    45,739.50x = 68,560.03 × 29,894.68
  4. Step 4: Simplify right side
    45,739.50x = 2,049,580,157.64
  5. Step 5: Solve for x
    x = 2,049,580,157.64/45,739.50
  6. Step 6: Final answer
    x = 44,809.85

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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.