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Finding the Fourth Proportional to 29,765.01, 44,647.77 and 7,578.39

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Solution

The fourth proportional to 29,765.01, 44,647.77 and 7,578.39 is: 11,367.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,765.01 : 44,647.77 = 7,578.39 : x
  2. Step 2: Convert to fraction form
    29,765.01/44,647.77 = 7,578.39/x
  3. Step 3: Cross multiply
    29,765.01x = 44,647.77 × 7,578.39
  4. Step 4: Simplify right side
    29,765.01x = 338,358,213.69
  5. Step 5: Solve for x
    x = 338,358,213.69/29,765.01
  6. Step 6: Final answer
    x = 11,367.65

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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.