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Finding the Fourth Proportional to 3,992,728.92, 5,986,539.94 and 2,373,065.72

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Solution

The fourth proportional to 3,992,728.92, 5,986,539.94 and 2,373,065.72 is: 3,558,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,728.92 : 5,986,539.94 = 2,373,065.72 : x
  2. Step 2: Convert to fraction form
    3,992,728.92/5,986,539.94 = 2,373,065.72/x
  3. Step 3: Cross multiply
    3,992,728.92x = 5,986,539.94 × 2,373,065.72
  4. Step 4: Simplify right side
    3,992,728.92x = 14,206,452,713,024.86
  5. Step 5: Solve for x
    x = 14,206,452,713,024.86/3,992,728.92
  6. Step 6: Final answer
    x = 3,558,080.95

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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.