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Finding the Fourth Proportional to 6,609,796.32, 9,914,487.08 and 3,636,668.64

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Solution

The fourth proportional to 6,609,796.32, 9,914,487.08 and 3,636,668.64 is: 5,454,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609,796.32 : 9,914,487.08 = 3,636,668.64 : x
  2. Step 2: Convert to fraction form
    6,609,796.32/9,914,487.08 = 3,636,668.64/x
  3. Step 3: Cross multiply
    6,609,796.32x = 9,914,487.08 × 3,636,668.64
  4. Step 4: Simplify right side
    6,609,796.32x = 36,055,704,245,521.17
  5. Step 5: Solve for x
    x = 36,055,704,245,521.17/6,609,796.32
  6. Step 6: Final answer
    x = 5,454,888.85

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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.