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Finding the Fourth Proportional to 45,619, 68,793.30 and 44,995.24

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Solution

The fourth proportional to 45,619, 68,793.30 and 44,995.24 is: 67,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,619 : 68,793.30 = 44,995.24 : x
  2. Step 2: Convert to fraction form
    45,619/68,793.30 = 44,995.24/x
  3. Step 3: Cross multiply
    45,619x = 68,793.30 × 44,995.24
  4. Step 4: Simplify right side
    45,619x = 3,095,371,043.89
  5. Step 5: Solve for x
    x = 3,095,371,043.89/45,619
  6. Step 6: Final answer
    x = 67,852.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.