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Finding the Fourth Proportional to 17,471,227.20, 26,206,840.80 and 9,912,955.20

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Solution

The fourth proportional to 17,471,227.20, 26,206,840.80 and 9,912,955.20 is: 14,869,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,471,227.20 : 26,206,840.80 = 9,912,955.20 : x
  2. Step 2: Convert to fraction form
    17,471,227.20/26,206,840.80 = 9,912,955.20/x
  3. Step 3: Cross multiply
    17,471,227.20x = 26,206,840.80 × 9,912,955.20
  4. Step 4: Simplify right side
    17,471,227.20x = 259,787,238,783,932.16
  5. Step 5: Solve for x
    x = 259,787,238,783,932.16/17,471,227.20
  6. Step 6: Final answer
    x = 14,869,432.80

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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.