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Finding the Fourth Proportional to 45,764.68, 68,540.40 and 44,503.40

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Solution

The fourth proportional to 45,764.68, 68,540.40 and 44,503.40 is: 66,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,764.68 : 68,540.40 = 44,503.40 : x
  2. Step 2: Convert to fraction form
    45,764.68/68,540.40 = 44,503.40/x
  3. Step 3: Cross multiply
    45,764.68x = 68,540.40 × 44,503.40
  4. Step 4: Simplify right side
    45,764.68x = 3,050,280,837.36
  5. Step 5: Solve for x
    x = 3,050,280,837.36/45,764.68
  6. Step 6: Final answer
    x = 66,651.42

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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.