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Finding the Fourth Proportional to 3,987,074.07, 5,983,803.32 and 2,068,535.07

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Solution

The fourth proportional to 3,987,074.07, 5,983,803.32 and 2,068,535.07 is: 3,104,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,074.07 : 5,983,803.32 = 2,068,535.07 : x
  2. Step 2: Convert to fraction form
    3,987,074.07/5,983,803.32 = 2,068,535.07/x
  3. Step 3: Cross multiply
    3,987,074.07x = 5,983,803.32 × 2,068,535.07
  4. Step 4: Simplify right side
    3,987,074.07x = 12,377,707,009,059.76
  5. Step 5: Solve for x
    x = 12,377,707,009,059.76/3,987,074.07
  6. Step 6: Final answer
    x = 3,104,458.76

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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.