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Finding the Fourth Proportional to 17,341.01, 23,930.49 and 9,789.79

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Solution

The fourth proportional to 17,341.01, 23,930.49 and 9,789.79 is: 13,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,341.01 : 23,930.49 = 9,789.79 : x
  2. Step 2: Convert to fraction form
    17,341.01/23,930.49 = 9,789.79/x
  3. Step 3: Cross multiply
    17,341.01x = 23,930.49 × 9,789.79
  4. Step 4: Simplify right side
    17,341.01x = 234,274,471.70
  5. Step 5: Solve for x
    x = 234,274,471.70/17,341.01
  6. Step 6: Final answer
    x = 13,509.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.