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Finding the Fourth Proportional to 7,661,585.73, 11,492,378.60 and 2,612,939.97

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Solution

The fourth proportional to 7,661,585.73, 11,492,378.60 and 2,612,939.97 is: 3,919,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,585.73 : 11,492,378.60 = 2,612,939.97 : x
  2. Step 2: Convert to fraction form
    7,661,585.73/11,492,378.60 = 2,612,939.97/x
  3. Step 3: Cross multiply
    7,661,585.73x = 11,492,378.60 × 2,612,939.97
  4. Step 4: Simplify right side
    7,661,585.73x = 30,028,895,381,247.95
  5. Step 5: Solve for x
    x = 30,028,895,381,247.95/7,661,585.73
  6. Step 6: Final answer
    x = 3,919,409.96

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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.