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Finding the Fourth Proportional to 29,789.77, 44,684.63 and 7,603.15

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Solution

The fourth proportional to 29,789.77, 44,684.63 and 7,603.15 is: 11,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,789.77 : 44,684.63 = 7,603.15 : x
  2. Step 2: Convert to fraction form
    29,789.77/44,684.63 = 7,603.15/x
  3. Step 3: Cross multiply
    29,789.77x = 44,684.63 × 7,603.15
  4. Step 4: Simplify right side
    29,789.77x = 339,743,944.58
  5. Step 5: Solve for x
    x = 339,743,944.58/29,789.77
  6. Step 6: Final answer
    x = 11,404.72

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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.