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Finding the Fourth Proportional to 9,203.79, 13,805.67 and 2,629.95

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Solution

The fourth proportional to 9,203.79, 13,805.67 and 2,629.95 is: 3,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.79 : 13,805.67 = 2,629.95 : x
  2. Step 2: Convert to fraction form
    9,203.79/13,805.67 = 2,629.95/x
  3. Step 3: Cross multiply
    9,203.79x = 13,805.67 × 2,629.95
  4. Step 4: Simplify right side
    9,203.79x = 36,308,221.82
  5. Step 5: Solve for x
    x = 36,308,221.82/9,203.79
  6. Step 6: Final answer
    x = 3,944.92

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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.