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Finding the Fourth Proportional to 19,850.45, 29,751.67 and 7,366.32

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Solution

The fourth proportional to 19,850.45, 29,751.67 and 7,366.32 is: 11,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.45 : 29,751.67 = 7,366.32 : x
  2. Step 2: Convert to fraction form
    19,850.45/29,751.67 = 7,366.32/x
  3. Step 3: Cross multiply
    19,850.45x = 29,751.67 × 7,366.32
  4. Step 4: Simplify right side
    19,850.45x = 219,160,330.96
  5. Step 5: Solve for x
    x = 219,160,330.96/19,850.45
  6. Step 6: Final answer
    x = 11,040.58

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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.