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Finding the Fourth Proportional to 6,441,208.62, 8,888,815.49 and 3,540,568.65

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Solution

The fourth proportional to 6,441,208.62, 8,888,815.49 and 3,540,568.65 is: 4,885,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441,208.62 : 8,888,815.49 = 3,540,568.65 : x
  2. Step 2: Convert to fraction form
    6,441,208.62/8,888,815.49 = 3,540,568.65/x
  3. Step 3: Cross multiply
    6,441,208.62x = 8,888,815.49 × 3,540,568.65
  4. Step 4: Simplify right side
    6,441,208.62x = 31,471,461,459,528.39
  5. Step 5: Solve for x
    x = 31,471,461,459,528.39/6,441,208.62
  6. Step 6: Final answer
    x = 4,885,955.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.