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Finding the Fourth Proportional to 5,919,716.82, 8,879,642.28 and 2,081,653.32

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Solution

The fourth proportional to 5,919,716.82, 8,879,642.28 and 2,081,653.32 is: 3,122,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919,716.82 : 8,879,642.28 = 2,081,653.32 : x
  2. Step 2: Convert to fraction form
    5,919,716.82/8,879,642.28 = 2,081,653.32/x
  3. Step 3: Cross multiply
    5,919,716.82x = 8,879,642.28 × 2,081,653.32
  4. Step 4: Simplify right side
    5,919,716.82x = 18,484,336,832,574.37
  5. Step 5: Solve for x
    x = 18,484,336,832,574.37/5,919,716.82
  6. Step 6: Final answer
    x = 3,122,503.56

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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.